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Recently added lenses and a complete development changelog.

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Sep 1, 2026

lensAdded three Konica patent-derived prime and telephoto lens designs

Aug 30, 2026

lensAdded three Nikon AF-S DX patent-derived zoom lens designs

Aug 29, 2026

lensAdded three Konica Zoom-Hexanon AR patent-derived zoom lens designs

Aug 28, 2026

lensAdded three Konica UC Hexanon AR patent-derived lens designs

Aug 27, 2026

lensAdded three Sony ZEISS patent-derived zoom lens designs

Aug 26, 2026

lensAdded seven Canon EF patent-derived zoom, macro, and telephoto lens designs

Aug 25, 2026

lensAdded five Canon EF, EF-S, and EF-M patent-derived zoom lens designs

Aug 24, 2026

lensAdded six Canon EF patent-derived lens designs spanning 35-500mm

Aug 23, 2026

lensAdded six Canon RF/RF-S and three Minolta AF patent-derived lens designs

Aug 22, 2026

lensAdded three Mamiya and three Yashica patent-derived lens designs

Aug 21, 2026

improvedAdded eight glass curves and 46 patent-reviewed catalog matches

improvedExpanded patent-backed glass curves and chromatic coverage across six lenses

lensAdded three Nikon 600mm super-telephotos to honor Surface & Stop's 600-lens milestone

lensAdded three generations of Canon EF 600mm f/4 L IS USM lens designs

Aug 20, 2026

lensAdded Canon RF 14mm, 24mm, and 35mm f/1.4 L VCM lens designs

lensAdded Canon EF 400mm f/2.8 L IS III and RF 600mm/800mm f/11 designs

Aug 19, 2026

lensAdded Canon EF 70-300mm DO, EF 400mm f/2.8 L II, and RF 100-500mm designs

Aug 18, 2026

improvedExpanded patent-backed chromatic coverage and corrected the Nikkor-N 5cm prescription

lensAdded six Nikon AF-I and DX lenses spanning 18–600mm, including two Micro-NIKKORs

Aug 17, 2026

lensAdded nine Tamron SP, AF, Di, and Di III zoom lens designs spanning 14-600mm

Aug 16, 2026

lensAdded six Nikon AF-S 300mm, 400mm, and 500mm super-telephoto lens designs

Aug 15, 2026

lensAdded six Pentax DA, DA645, D FA, and A-series zoom lens designs

Aug 14, 2026

improvedAdded two Nikon catalog matches to the Thousand and One Nights index

lensAdded six Nikon AF and AF-S Zoom-Nikkor designs spanning 18-400mm

Aug 13, 2026

lensAdded Sony DT 16-50mm, E 18-200mm OSS LE, and E 50mm OSS designs

Aug 12, 2026

lensAdded Sony E PZ 16-50mm, FE PZ 16-35mm, and Vario-Sonnar 24-70mm designs

Aug 11, 2026

improvedAdded 14 verified glass curves, upgrading 53 surfaces and completing 17 lenses

improvedModeled Minolta STF apodization in bokeh and relative illumination with Beer–Lambert ray weighting

lensAdded six Minolta AF, Fish-Eye Rokkor, and apodized STF lens designs

Aug 10, 2026

fixCorrected Schneider and Nikon inventor identities and added Nittoh and Tamron lineages

lensAdded six Tamron SP, Di II, and Di III zoom lens designs

Aug 9, 2026

lensAdded six Nikon and Ricoh wide-angle, zoom, and GR camera lens designs

Aug 8, 2026

lensAdded six Pentax Q, DA, 645, and Super-Takumar lens designs

improvedExpanded coefficient-backed dispersion across 43 surfaces and 28 fully covered lenses

Aug 7, 2026

articlePublished a three-part spherical aberration series with nine themed figures

improvedEnabled contained pinch-to-zoom in both patent relationship maps

newAdded a universal patent map with dated corporate-lineage connections

newAdded an optional focused effective focal-length readout to zoom controls

newAdded outbound patent links to lens, author, and relationship map pages

lensAdded six Mamiya lenses spanning CS, M645, RB67, AF, and Mamiya 7 systems

Aug 6, 2026

newAdded shareable optical configurations to lens URLs and comparison selectors

improvedImproved dispersion accuracy across all three P. Angénieux lens models

lensAdded six P. Angénieux and Nikon retrofocus, DC, and fisheye lens designs

fixFixed publication dates so site cards, feeds, and sitemaps agree on the UTC day

improvedImproved relationship map accessibility with visible keyboard focus highlights

fixFixed RSS changelog links so they scroll to the linked entry on the Updates page

fixFixed missing tinted backgrounds behind changelog, article, and series badges

Aug 5, 2026

lensAdded six classic Voigtländer Heliar, Nokton, Skopar, Dynar, and Telomar designs

Aug 4, 2026

newAdded an RSS feed for site features, fixes, and improvements

newExpanded author pages with biography labels, saved sorting, and assignee filters

fixCorrected and consolidated historical patent assignees across the lens catalog

lensAdded the Samsung 20mm f/2.8, 30mm f/2, and 45mm f/1.8 NX primes

Aug 3, 2026

lensAdded the Nikon AF-S 180-400mm f/4E TC1.4 FL ED VR with switchable TC views

newAdded wavelength-aware diffractive optics to the engine for our 500th lens

lensAdded the Nikon AF-S 500mm f/5.6E PF and NIKKOR Z 180-600mm supertelephotos

Aug 2, 2026

improvedAdded five Nikon designer biographies and prepared Samsung NX mount diagrams

lensAdded Voigtländer Nokton 60mm, Color-Skopar 28mm, and APO-Skopar 90mm

Aug 1, 2026

lensAdded Voigtländer APO-Lanthar 50mm and Nokton Vintage Line 50mm and 75mm

newAdded RSS feeds for new lenses and articles

lensAdded Voigtländer APO-Lanthar 28mm, APO-Ultron 90mm, and Color-Skopar 28mm

Jul 31, 2026

newAdded centered sharp positions for under/over aberration-control lenses

lensAdded Voigtländer Color-Skopar 35mm, Ultron 27mm, and Portrait Heliar 75mm

articleAdded Leica and Tamron lens histories to the manufacturer story index

lensAdded three Panasonic LUMIX S zoom lenses from 16-35mm through 70-300mm

Jul 30, 2026

lensAdded Panasonic LUMIX S PRO 24-70mm and two 70-200mm zoom lenses

improvedExpanded chromatic tracing with 35 source-verified optical-glass curves

fixCorrected patent-glass identities without forcing speculative catalog matches

fixMade native e-line prescriptions use reference-safe catalog dispersion

Jul 29, 2026

lensAdded Nikon 12-24mm, 24-120mm, and 28-200mm AF zoom lenses

improvedExpanded the glass catalog with safer coordinate-aware dispersion matching

fixCorrected remaining false glass matches across 42 patent-audited lenses

Jul 28, 2026

lensAdded Pentax DA 17-70mm, D FA645 35mm, and D FA645 Macro 90mm lenses

Jul 27, 2026

lensAdded Pentax HD DA* 11-18mm, HD D FA 28-105mm, and HD D FA* 70-200mm zoom lenses

articleAdded manufacturer lens-story indexes with links to official articles and matching interactive lens diagrams

newAdded a patent-number index grouped by country and assignee

Jul 26, 2026

lensAdded three classic Nikon Nikkor primes and the 80-200mm f/4.5 zoom

Jul 25, 2026

lensAdded Nikon AI Zoom-Nikkor 80-200mm f/4 and f/4.5 lenses

Jul 24, 2026

lensAdded the Fujifilm GF 250mm, TCL-X100, and X10 7.1-28.4mm lenses

improvedAdded odd-order aspheric support with exact patent aspheres

Jul 23, 2026

lensAdded Canon EF 28mm f/2.8 and IS USM primes plus the 28-200mm USM zoom

newAdded sourced inventor biographies and lens-subtitle links to author pages

Jul 22, 2026

lensAdded Canon EF 28-70mm II, 28-80mm II, and 28-90mm II USM zoom lenses

newAdded an interactive patent relationship map connecting inventors and assignees through shared lens patents

Jul 21, 2026

newAdded catalog search, inventor pages, and a browsable patent author index

lensAdded Canon EF 28-105mm f/3.5-4.5 II USM, EF 28-105mm f/4-5.6, and EF 28-135mm f/3.5-5.6 IS USM lenses

Jul 20, 2026

lensAdded Canon EF 20mm f/2.8 USM and both EF 24mm f/1.4 L USM generations

Jul 19, 2026

lensAdded Canon 50mm f/1.2, 50mm f/2.8, and EF 200mm f/1.8 L USM lenses

newAdded patent attribution details and inventor/assignee browsing across the lens library

Jul 18, 2026

lensAdded Canon EF 11-24mm f/4L USM, 14mm f/2.8L USM, and 15mm f/2.8 Fisheye lenses

Jul 17, 2026

lensAdded Vivitar Series 1 135mm f/2.3, 450mm f/4.5, and 70-210mm f/3.5 lenses

Jul 16, 2026

lensAdded Tamron SP 60mm, 90mm, and 180mm macro lenses

Jul 15, 2026

lensAdded Sony E 20mm f/2.8, FE 20mm f/1.8 G, and 70-400mm f/4-5.6 G SSM II

Jul 14, 2026

lensAdded Schneider-Kreuznach Super-Angulon 75mm and 90mm plus Super-Symmar HM 120mm

Jul 13, 2026

lensAdded Pentax Super-Takumar 28mm and 35mm plus Ultra-Achromatic-Takumar 85mm

Jul 12, 2026

lensAdded Olympus Zuiko 24mm f/2.8 and 28mm f/2 and f/3.5 patent designs

Jul 11, 2026

lensAdded Olympus Zuiko 18mm, 24mm, and 1000mm lenses for OM mount

Jul 10, 2026

lensAdded Nikon NIKKOR-H 2.8cm, AF-S 18-35mm, and Z DX 12-28mm lenses

Jul 9, 2026

lensAdded Nikon Nikonos RS 13mm, 20-35mm, and 50mm lenses

lensAdded Nikon Dodotto 400mm f/8 lens

Jul 8, 2026

lensAdded Samyang AF 18mm, 85mm, and 35-150mm FE/L lenses

improvedImproved ray-heavy lens diagram rendering and interaction performance

Jul 7, 2026

improvedCut first-page download from 4.3 MB to under 1 MB by loading lens data and prose on demand

improvedImproved keyboard and screen-reader access to diagrams, overlays, and controls

lensAdded Nikon UV-Nikkor 55mm and 105mm plus Ultra-Micro-Nikkor 29.5mm

Jul 6, 2026

improvedAdded mount metadata for Kodak, Agfa, Zeiss, and Enna lenses

lensAdded Fujifilm SW 65mm, W 35mm, and Z 43-75mm patent-derived lenses

Jul 5, 2026

lensAdded Panasonic 7-14mm, 8mm fisheye, and 25mm Micro Four Thirds lenses

fixCorrected patent-diagram semi-diameters across the lens catalog

Jul 4, 2026

lensAdded six Nikon zoom lenses, including Nikon 1 VR and AF Zoom-Nikkor designs

Jul 3, 2026

lensAdded three Nikon AI lenses: 24mm f/2.0, 28mm f/2.8S, and 35mm f/1.4S

Jul 2, 2026

lensAdded Canon RF 16mm f/2.8, 20mm f/1.4, and 50mm f/1.4 primes

Jul 1, 2026

lensAdded three new Canon new FD lenses, 14mm f/2.8, 100mm f/2, and 150-600mm f/5.6

Jun 30, 2026

lensAdded six Kodak and Konica patent-derived lens diagrams

Jun 29, 2026

improvedImproved Schott glass matching and chromatic coverage across lenses

lensAdded Enna München Lithagon wide-angle lenses

Jun 28, 2026

lensAdded Agfa Solagon, Color-Telinear, and Color-Magnolar II lenses

Jun 27, 2026

lensAdded Sony FE 12-24mm f/2.8 GM and two FE 24mm primes

Jun 26, 2026

newAdded large-format and enlarging lens browsing categories

lensAdded Canon PowerShot zooms plus Nikon 10.5mm fisheye and 200mm Micro

Jun 25, 2026

improvedImproved Canon, Fujifilm, and Zeiss patent-audited glass and metadata

lensAdded Canon G1 X, Nikon 35-70mm, and Rodenstock enlarger lenses

Jun 24, 2026

lensAdded six Rodenstock large-format lenses

improvedImproved Hasselblad, Leica, Laowa, Nikon, Olympus, Minolta, and Panasonic patent data

Jun 23, 2026

lensAdded patent-audited Canon TS-E 50mm, 90mm, and 135mm L tilt-shift lenses

fixCorrected Sigma semi-diameter geometry and Voigtlander Heliar stop placement

improvedImproved Sigma, Sony, Voigtlander, Vivitar, Schneider, Pentax, and Ricoh patent data

Jun 22, 2026

improvedRefreshed the brand mark, favicons, and social cards with a negative center element

lensAdded three Pentax K-mount lenses, including the A★ 200mm f/4 Macro ED

fixStopped ray traces after missed surfaces and limited clipped ghost rays

Jun 21, 2026

lensAdded three Olympus OM telephoto and zoom lenses

Jun 20, 2026

lensAdded Olympus 21mm, 9-36mm, and 8mm fisheye lenses

Jun 19, 2026

lensAdded six Nikon lenses, including Series E primes and AI zooms

Jun 18, 2026

lensAdded four Nikon F-mount zooms from 25-50mm to 70-180mm Micro

Jun 17, 2026

lensAdded Canon FD 24mm f/2.8, 28mm f/2.8, and 300mm f/4 lenses

Jun 16, 2026

lensAdded four Nikon F-mount primes from 20mm to 105mm macro

fixRemoved the duplicate Canon EF 100mm f/2.8L Macro IS USM entry

Jun 15, 2026

improvedNormalized lens display names across the catalog

lensAdded Fujifilm XF 23mm F1.4 LM WR, F2, and F2.8 lenses

Jun 14, 2026

lensAdded Fujifilm XF 16-55mm II, XF 33mm F1.4, and XF 56mm F1.2 R WR

Jun 13, 2026

lensAdded Sigma 10-18mm F2.8 DC DN, 16mm F1.4 DC DN, and DP1x 16.6mm

Jun 12, 2026

lensAdded three Sigma lenses: 35mm F1.4, 45mm F2.8, and 50mm F1.4

Jun 11, 2026

lensAdded Sigma 17-40mm, 23mm, and 30mm lenses

Jun 10, 2026

lensAdded Canon EF 20-35mm, EF 24-70mm, and Serenar 100mm lenses

Jun 9, 2026

lensAdded six Pentax Limited and D FA prime lenses

lensAdded Minolta AF 28mm f/2, 28-75mm f/2.8, and Reflex 500mm f/8

fixFixed axial image-plane markers for zoomed and focused ray tracing

Jun 8, 2026

improvedImproved chromatic overlay labels for LoCA and off-axis fan diagnostics

improvedImproved glass matching and chromatic quality indicators

lensAdded Panasonic Nocticron 42.5mm, Summilux 12mm, and G 14mm lenses

Jun 7, 2026

newAdded mount reference diagrams for the 300-lens catalog milestone

lensAdded three Olympus lenses

Jun 6, 2026

lensAdded three Sigma mirrorless lenses: 24mm F1.4, 28-45mm F1.8, and 60mm F2.8

Jun 5, 2026

fixFixed annular stop rendering for centrally obstructed reflex lenses

fixFixed chromatic ray tracing through folded Mangin mirror lenses

lensAdded three Olympus Micro Four Thirds lenses: M.Zuiko Digital 12mm f/2.0, M.Zuiko Digital 17mm f/2.8, and M.Zuiko Digital 14-42mm f/3.5-5.6 II R

fixFixed a bug in focusing Nikon Reflex-Nikkor 500mm f/8 (New)

Jun 4, 2026

lensAdded three Nikon reflex lenses: Reflex-Nikkor·C 500mm f/8, Reflex-Nikkor 500mm f/8 New, and Reflex-Nikkor 1000mm f/11

improvedImproved folded mirror-lens validation, ray sampling, and annular mirror rendering

lensAdded three Leica lenses: Elmarit-TL 18mm f/2.8 ASPH, Elmarit-M 135mm f/2.8, and Elmar-M 135mm f/4

Jun 3, 2026

lensAdded three Fujifilm GFX medium-format zoom lenses

Jun 2, 2026

lensAdded three Nikon AI F-mount lenses

Jun 1, 2026

lensAdded three Nikon AF-S F-mount zoom lenses

May 31, 2026

improvedImproved desktop viewer stability during focus, zoom, and aberration analysis

lensAdded three new Sigma lenses

May 30, 2026

newAdded chromatic analysis charts for LoCA, lateral color/TCA, and field-focus color

fixFixed LoCA and off-axis fan-spread displays to use matching charts with violet-channel traces

lensAdded three Sigma macro lenses

May 29, 2026

improvedFocus slider now displays as disabled for lenses without focusing data

lensAdded three Sony FE zooms: 28-70mm OSS and 70-200mm F2.8 GM/F4 G

May 28, 2026

lensAdded three Sony E-mount APS-C lenses: 18-55mm, 30mm Macro, and 35mm OSS

May 27, 2026

lensAdded three Leica R-mount lenses

improvedModernized the optics engine for state-aware ray tracing and analysis

newAdded optical summary and bokeh tabs to the analysis drawer

fixRemoved the duplicate beta bokeh panel from the diagram overlay controls

improvedImproved fisheye bokeh and folded-mirror pupil analysis

May 26, 2026

newAdded hidden mirror and folded-path optics fixtures with accurate folded ray tracing

lensAdded three Minolta AF lenses, a 35-70mm f/4 zoom and APO telephotos

May 25, 2026

lensAdded three Nikon APS-C format lenses for F mount

May 24, 2026

lensAdded three Canon APS-C format lenses for EF mount

May 23, 2026

lensAdded three Pentax medium-format lenses for 645 and 67 systems

improvedCompleted the transition to the updated exact surface ray tracing method

May 22, 2026

lensAdded eight Sony and Zeiss lenses, from FE primes to Distagons, Touit Macro, and Biogon

May 21, 2026

lensAdded the Carl Zeiss Hologon 15 mm f/8 with its stop modeled inside the central element

lensAdded six Canon EF L-series lenses from fisheye zoom to macro and telephoto

improvedImproved fisheye zoom projection analysis across the zoom range

May 20, 2026

improvedNikon Fisheye-Nikkor 6mm lenses now show their full 110° patent-declared half-field

improvedDistortion field grid now fills in for fisheye lenses where it previously left corners blank

lensAdded 12 Nikon lenses, from 1 NIKKOR primes to fisheyes and FX classics

May 19, 2026

improvedExpanded Sellmeier coverage to 247 vendor-verified glass entries

fixAudited 52 lens prescriptions and corrected glass labels across the catalog

lensAdded six Fujifilm GF medium-format lenses

May 18, 2026

lensAdded six new lenses for fixed-lens Fujifilm Cameras

May 17, 2026

lensAdded six new Olympus lenses

May 16, 2026

lensAdded three Sony GM zooms and three Schneider large-format lenses

May 15, 2026

improvedImproved patent-focused search metadata, sitemap links, and social previews

lensAdded six Laowa lenses: 12mm, 15mm, 15mm Macro, 24mm Probe, 58mm Macro APO, and 65mm Macro APO

May 14, 2026

improvedAdded experimental exact surface tracing for opt-in lens diagnostics

lensAdded three new Minolta lenses: AF 100mm f/2.8 Macro, AF 35-105mm f/3.5-4.5, and AF 70-200mm f/2.8 APO

fixFixed lens mount titling for C/Y mount

May 13, 2026

lensAdded six Canon APS-C lenses across EF-M and EF-S systems

improvedAdded Canon EF-S as a distinct lens-library mount filter

May 12, 2026

newAdded a lens-group motion chart for focus and zoom movement

lensAdds six new Nikon lenses: Z DX 16-50mm f/3.5-6.3 VR, Z DX 18-14mm f/3.5-6.3 VR, Z DX 50-140mm f/3.5-6.3 VR, AF-P DX 10-20mm f/5.6-6.3G VR, AF-P DX 70-300mm f/4.5-6.3G ED VR, and AF-P 70-300mm f/4.5-5.6E ED VR

May 11, 2026

improvedExpanded the Sellmeier glass catalog to 180 verified entries

fixConducted three glass audits across different lens models

lensAdded six new lenses: three Hasselblad lenses, two Olympus M. Zuiko lenses, and one Leica SL lens

May 10, 2026

fixConducted five glass audits across different lens models

lensAdded six new lenses: three Panasonic Leica lenses, two Olympus M. Zuiko lenses, and one Leica TL lens

May 9, 2026

improvedExpanded the Sellmeier glass catalog to 129 verified entries

lensAdded six new Hasselblad lenses: XCD 65mm f/2.8, XCD 90mm f/2.5, XCD 120mm f/3.2, HC 80mm f/2.8, HC 120mm f/4.0, and HC 150mm f/3.2

May 8, 2026

lensAdded three Fujifilm lenses: GF110mm f/2 R, GF80mm f/1.7 R, and GF120mm f/4 R LM OIS WR Macro; and three Sony lenses: FE 20-70mm f/4.0G, Planar FE 50mm f/1.4, and Planar T* 50mm f/1.4 ZA

May 7, 2026

improvedLimited field-based analysis views to each lens image-format diagonal

newAdded lens mount and image-format filters to the lens library

lensAdded Panasonic S 20-60mm f/3.5-5.6 and two Pentax 110 lenses: 24mm f/2.8 and 50mm f/2.8

May 6, 2026

fixFixed soft-focus control in aberration, bokeh, pupil, and LoCA views

lensAdded three Pentax lenses: DA 16-50mm f/2.8, DA 50-135mm f/2.8, and F 85mm f/2.8 Soft

lensAdded Sigma 40mm f/1.4 DG DN Art, Voigtlander Macro Apo-Lanthar 125mm f/2.5, and Apo-Lanthar 180mm f/4 SL Close Focus

May 5, 2026

fixFixed LoCA inset values when chromatic color channels are toggled

newAdded aberration control variable support for lenses with separate soft-focus rings

lensAdded Canon EF 40mm f/2.8, 100mm f/2.8 L Macro IS USM, Minolta Rokkor MD 45mm f/2, Rokkor MD 50mm f/1.4, and Varisoft 85mm f/2.8

May 4, 2026

improvedExpanded Sellmeier coverage for moldable Ohara glasses and Hoya TAFD40

improvedExpanded the glass catalog to 111 verified entries with priority ED and high-index glasses

improvedConducted glass audit across an additional five lens files, improved SD estimates for Nikkor Z 24-70mm f/4 S

lensAdded Panasonic S 35mm f/1.8, S Pro 50mm f/1.4, and Pentax FA 31mm f/1.8 AL Limited

lensAdded Sigma 50mm f/1.4 DG DN Art, Sigma 30mm f/2.8 for DP2 Merrill, and Vivitar Series 1 70-210mm f/2.8-4

May 3, 2026

lensAdded Sony E 24mm f/1.8 ZA, FE 35mm f/1.8 ZA, and FE 55mm f/1.8 ZA

May 2, 2026

lensAdded Sony FE 85mm f/1.4 GM II and FE 135mm f/1.8 GM

May 1, 2026

articleAdded beginner primers on cardinal points (F, H, N) and lens dimensions (EFL, BFD, FFD, hiatus, total track)

lensAdded Sigma 35mm f/1.4 DG DN Art and 85mm f/1.4 DG DN Art

improvedExpanded Sellmeier glass catalog from 65 to 92 entries, covering all Ohara and Schott glasses with 2+ element occurrences — more lenses now use full Sellmeier chromatic dispersion

Apr 30, 2026

improvedExpanded glass catalog to 53 vendor-verified Sellmeier entries (adding 15 Ohara dense-flint, ED, crown, and lanthanum glasses) and corrected 50+ glass misidentifications across 25 lens files — 696 surfaces now use full Sellmeier dispersion, up from 564

lensAdded Canon FD 50mm f/1.2, and lenses for the Nikon 35Ti, Sigma DP2X, and DP3 Merrill compact cameras

Apr 29, 2026

articleAdded From Achromat to APO: Chromatic Correction, Optical Glass, and the Evolution of Color-Corrected Lenses

newAdded cardinal element and first-order distance overlays to lens diagrams

lensAdded Carl Zeiss Jena Tessar 50mm f/3.5, Carl Zeiss Oberkochen Tessar 50mm f/2.8, and Sony FE 90mm f/2.8 Macro G OSS

Apr 28, 2026

improvedImproved chromatic ray tracing with ray-density controls, off-axis color fans, and LoCA readouts for clipped marginal rays

newAdded basic tilt and shift controls for supported Nikon perspective-control lenses

lensAdded Fujifilm Fujinon XF 18mm f/2 R and XF 23mm f/1.4 R and Carl Zeiss Olympa-Sonnar 180mm f/2.8 and Pro-Tessar 35mm f/3.2

Apr 27, 2026

lensAdded three Olympus OM lenses: Zuiko Auto-W 21mm f/2, Auto-Macro 50mm f/2, and Auto-Macro 90mm f/2 and Nikon Nikkor-S Auto 50mm f/1.4

Apr 26, 2026

improvedSplit Carl Zeiss into separate Jena and Oberkochen maker pages reflecting the postwar division

improvedAdded maker pages for Konica, Minolta, Pentax, Schneider Kreuznach, Sigma, and Sony

lensAdded three Carl Zeiss lenses: Contarex Planar 55mm f/1.4, Jena Pancolar 50mm f/2, and Planar T* 50mm f/1.4

lensAdded Olympus Zuiko Auto-T 85mm f/2 with floating rear-group focusing

newAdded shareable URLs for selected elements, overlays (glass map, chromatic, Petzval), bokeh preview, and analysis tabs

Apr 25, 2026

fixImproves accuracy of Canon RF and EF lens diagrams

newAdded aspheric deviation inspector: compare any aspheric surface to its spherical equivalent with zoom, exaggeration, and click-to-measure Δsag

lensAdded three Nikon Perspective Control lenses: PC NIKKOR 19mm f/4E ED, PC NIKKOR 24mm f/3.5D ED, and PC NIKKOR 45mm f/2.8D ED

Apr 24, 2026

improvedAdded an Olympus maker page with company history

lensAdded three Olympus fast normals: Zuiko 50mm f/1.2, 50mm f/1.4, and 55mm f/1.2

Apr 23, 2026

improvedImproved slider performance — analysis tabs and bokeh now update only after dragging stops

lensAdded Nikon AF-S 24-70mm f/2.8E ED VR, Nikon AF-S 70-200mm f/2.8E FL ED VR, and Nikon AF-S 80-400mm f/4.5-5.6E ED VR

lensAdded Canon RF 24-105mm f/2.8 L, Zeiss Biogon 21mm, and Distagon 35mm

Apr 22, 2026

lensAdded Canon RF f/1.2 primes and Voigtländer Nokton 35mm f/1.2

Apr 21, 2026

articleAdded Pupil Geometry article series covering entrance pupil, exit pupil, telecentricity, and more

improvedImproved element outline rendering, added a 10% boundary-gap clearance margin, and audited production semi-diameters

fixFixed Canon RF 24-105mm f/4 L close-focus behavior

lensAdded Canon RF 24-105mm f/4 L, Nikon Z 40mm f/2, and two Ricoh GR lenses

Apr 20, 2026

lensAdded Canon EF 50mm f/1.0L USM and Canon RF 85mm f/2 Macro IS STM

Apr 19, 2026

lensAdded Fujifilm XF 35mm f/1.4 R and XF 60mm f/2.4 R Macro

Apr 18, 2026

improvedImproved entrance and exit pupil overlay and button readability

lensAdded Leica Elmarit-R 28mm f/2.8 and Leica Elmarit 90mm f/2.8

Apr 17, 2026

newAdded Pupils analysis tab showing entrance and exit pupil position shift across the field

newAdded entrance and exit pupil overlay toggle to the diagram controls

lensAdded Canon RF 24-50mm f/4-6.3 IS STM, Nikon L35AF 35mm f/2.8, Nikon Nikkor Z 24-50mm f/4-6.3, and Nikon Nikkor Z 35mm f/1.2 S

Apr 16, 2026

improvedImproved bokeh, spherical aberration, and coma analysis accuracy and displays

improvedNew logo and social media card

lensAdded Fujifilm XF 16-55mm f/2.8 R LM WR, XF 16-80mm f/2.8 R OIS WR, XF 50-140mm f/2.8 R LM OIS WR, and XF 200mm f/2 R LM OIS WR

Apr 15, 2026

fixFixed semi-diameter shaping and rear-group clearance in the Canon RF 28-70mm F2 L USM

lensAdded Canon RF 28-70mm F2 L USM, Canon RF 28-70mm f/2.8 IS STM, Canon RF 24-240mm f/4-6.3 IS USM, and Canon RF 24-70mm F2.8 L IS USM

Apr 14, 2026

articlePublished the Focusing Architectures series: a landing page, seven primers on focusing strategies, and a full monograph with a hovering table of contents

lensAdded Nikon Z 14-30mm f/4 S, 24-70mm f/4 S, and 24-200mm f/4-6.3 VR

Apr 13, 2026

lensEnabled Nikon AF-S 14-24mm f/2.8G ED and AF-S 16-35mm f/4G ED VR with accurate front group proportions

improvedImproved element rendering for wide-angle retrofocus designs with per-surface semi-diameters

improvedImproved vignetting and distortion accuracy for extreme wide-angle lenses (>40° half-field)

fixCorrected the 200-500mm optical aperture range

lensAdded two Nikon AF-S zooms: 120-300mm f/2.8E FL ED SR VR and 200-500mm f/5.6E ED VR

Apr 12, 2026

fixImproved distortion and spherical aberration accuracy near the edges of the image circle

Apr 11, 2026

lensAdded four new lenses: Canon Serenar 28mm f/3.5, Canon Serenar 35mm f/3.2, Canon Serenar 50mm f/1.8, and Canon Serenar 85mm f/1.5

Apr 10, 2026

newAdded lens library custom filters with typeable min/max ranges and maker selection

lensAdded three lenses: Nikon Nikkor-N Auto 28mm f/2, Voigtländer Nokton 50mm f/1.2 (X-mount), and Nikon 28mm f/2.8 (28Ti)

Apr 9, 2026

lensAdded five Leica lenses: Summilux 28mm f/1.7 ASPH (Q-series), APO-Summicron 43mm f/2 ASPH (Q3 43), ELCAN 50mm f/2, APO-Summicron-M 35mm f/2 ASPH, and Summicron-M 50mm f/2 V5

Apr 8, 2026

improvedImplemented uniform aspect ratio scaling — eliminates lens shape distortion from independent horizontal/vertical zoom

lensCalibrated Voigtländer Ultron 28/2 semi-diameters to Cosina's published cross-section diagram

lensAdded Vivitar Series 1 35–85mm f/2.8 VMC, Fujifilm XF 90mm f/2 R LM WR, and Fujinon XF 56mm F1.2 R

Apr 7, 2026

lensAdded Canon FD 35mm f/2 S.S.C., Nikon AI Nikkor 135mm f/2, Nikon AI Nikkor 135mm f/2.8, and Vivitar Series 1 200mm f/3.0 — four Sonnar-based and retrofocus designs

Apr 1, 2026

lensAdded CANON new FD 50mm f/1.2 and VOIGTLANDER 50mm f/1.2 for X-Mount

Mar 31, 2026

lensAdded Nikon NIKKOR Z 35mm f/1.8 S and NIKKOR-N 5cm f/1.1

Mar 30, 2026

fixCorrected field curvature direction labels and Petzval shift sign

improvedStandardized analysis terminology to parabasal/real-ray and fixed coma axis orientation

lensAdded Nikon NIKKOR Z 14-24mm f/2.8 S and Canon RF 15-35mm f/2.8 L IS USM

Mar 29, 2026

fixFixed article navigation so pages open at the top instead of preserving prior scroll

articleAdded Heliar History article

newAdded zoom and pan controls for infinite-resolution diagram inspection

Mar 28, 2026

newAdded chromatic field curvature chart with per-wavelength R/G/B focus traces

newAdded sagittal coma section with x-intercept fan chart to aberrations drawer

fixFixed center-field curvature baseline to use real traced focus instead of nominal image plane

newAdded real sagittal ray analysis across aberration views

newAdded field curvature and astigmatic difference analysis

Mar 27, 2026

improvedStrengthened SEO metadata, sitemap freshness, and social card data

lensAdded Fujifilm as a maker — XF 80mm f/2.8 Macro OIS WR and XF 50mm f/1.0 R WR

lensAdded Canon standard and telephoto zoom lenses

lensAdded Nikon AF-S Micro NIKKOR 105mm f/2.8G IF-ED

newAdded coma analysis with 2D point-cloud preview to aberrations drawer

newAdded meridional coma field footprint analysis to aberrations drawer

newSeparated distortion analysis into its own dedicated drawer tab

newAdded vignetting and relative illumination analysis tab

newAdded longitudinal spherical aberration profile chart

newIntroduced analysis drawer — slide-out panel for optical aberration analysis

newAdded spherical aberration computation engine with real-ray tracing

improvedMade analysis drawer tab rail scrollable on narrow screens

improvedRelocated analysis button to lower-left corner of lens diagram

fixFixed optical surface overlap in Canon RF lenses

fixFixed geometry validation errors in Nikon AF-S 105mm f/2.8G

fixStabilized spherical aberration real-ray chart rendering

fixFixed distortion calculation to correctly project chief ray to image plane

fixCorrected semi-diameter values across the Nikon Z lens lineup

Mar 26, 2026

newAdded support for variable-aperture zoom lenses (e.g. f/4.5–5.6)

fixFixed glass interpenetration in Nikon Z lenses at close-focus distances

Lenses Added

Subscribe to New Lenses

KONICA FL-HEXANON AR 300mm f/6.3

Sep 1, 2026

9 ELEMENTS / 5 GROUPS · 300mm f/6.3 (MARKETED) · EFL 299.705 mm (TRACED)

KONICA HEXANON 135mm f/3.5

Sep 1, 2026

4 ELEMENTS / 4 GROUPS · f = 134.995mm DESIGN · F/3.5

KONICA HEXANON 60mm f/1.2 L

Sep 1, 2026

7 ELEMENTS / 6 GROUPS · 60mm MARKETED / 58.2635mm DESIGN EFL · f/1.2 MARKETED / F1.24 DESIGN

NIKON AF-S DX ZOOM-NIKKOR 17-55mm f/2.8G IF-ED

Aug 31, 2026

14 ELEMENTS / 10 GROUPS · 17.55-52.70 mm DESIGN · F/2.89-2.91 DESIGN

NIKON AF-S DX ZOOM-NIKKOR 18-55mm f/3.5-5.6G ED II

Aug 31, 2026

7 ELEMENTS / 5 GROUPS · 18-55mm f/3.5-5.6 (MARKETED) · 18.5-53.5mm f/3.56-5.90 (EXAMPLE 4)

NIKON AF-S DX ZOOM-NIKKOR 18-70mm f/3.5-4.5G IF-ED

Aug 31, 2026

15 elements / 13 groups (physical count) · 18-70mm f/3.5-4.5 (production) · 18.7-67.9mm f/3.6-4.6 (Example 1)

KONICA ZOOM-HEXANON AR 35–70mm f/3.5

Aug 29, 2026

9 ELEMENTS / 9 GROUPS · 35–70mm · f/3.5-f/22

KONICA ZOOM-HEXANON AR 65–135mm f/4

Aug 29, 2026

13 ELEMENTS / 9 GROUPS · 65–135mm MARKETED / 66.290–135.095mm MODELED · f/4 MARKETED / f/4.0033–3.9974 MODELED

KONICA ZOOM-HEXANON AR 70–150mm f/4

Aug 29, 2026

15 ELEMENTS / 12 GROUPS · 70–150mm f/4 (marketed) · 72.164–146.388mm (published design states)

KONICA UC HEXANON AR 28mm f/1.8

Aug 28, 2026

8 ELEMENTS / 8 GROUPS · MODELED EFL 28.1585 mm · PATENT DESIGN f/2.0

KONICA UC ZOOM HEXANON AR 45–100mm f/3.5

Aug 28, 2026

11 ELEMENTS / 10 GROUPS · 45–100mm MARKETING / 46.76–99.18mm PATENT · F/3.5

KONICA UC ZOOM HEXANON AR 80–200mm f/4

Aug 28, 2026

14 ELEMENTS / 10 GROUPS · 80–200mm f/4 · 0.7 m MFD

SONY VARIO-SONNAR T* DT 16-80mm f/3.5-4.5 ZA

Aug 27, 2026

14 ELEMENTS / 10 GROUPS · MARKETED 16-80mm f/3.5-4.5 · PATENT 16.4-78.0mm f/3.61-4.64

SONY VARIO-TESSAR T* E 16-70mm f/4 ZA OSS

Aug 27, 2026

16 ELEMENTS / 12 PHYSICAL GROUPS · 6 FUNCTIONAL ZOOM GROUPS · 16.48-67.90 mm DESIGN

SONY VARIO-TESSAR T* FE 16-35mm f/4 ZA OSS

Aug 27, 2026

12 ELEMENTS / 10 GROUPS · PATENT f = 16.48 / 24.07 / 33.95 mm · DESIGN FNO = 4.07 / 4.08 / 4.09

CANON EF 100-300mm f/4.5-5.6 USM

Aug 26, 2026

13 ELEMENTS / 10 GROUPS · 100-300mm MARKETED · PATENT EX. 3: 103.35-291.85mm

CANON EF 100-300mm f/5.6

Aug 26, 2026

15 ELEMENTS / 9 GROUPS · 100-300mm f/5.6 (MARKETED) · PATENT STATES: 69 / 100 / 198 / 290 mm

CANON EF 100-400mm f/4.5-5.6 L IS II USM

Aug 26, 2026

21 ELEMENTS / 16 GROUPS · PATENT ZOOM POINTS 102.79-389.03 mm · MODELED EFL 102.758-388.939 mm

CANON EF 100mm f/2.8 Macro

Aug 26, 2026

10 ELEMENTS / 9 GROUPS · 100mm f/2.8 (marketed) · F/2.89 DESIGN

CANON EF 135mm f/2 L USM

Aug 26, 2026

10 ELEMENTS / 8 GROUPS · 135 mm f/2 (marketing) · f = 133.495 mm / F2.0598 (design)

CANON EF 135mm f/2.8 Soft Focus

Aug 26, 2026

7 ELEMENTS / 6 GROUPS · 135.043 mm DESIGN EFL · f/3.341 SHARP / f/2.8 SOFT

CANON EF 180mm f/3.5 L Macro USM

Aug 26, 2026

14 ELEMENTS / 12 GROUPS · 180mm f/3.5 MARKETED · f = 180.009 mm / f/3.6 DESIGN

CANON EF 200-400mm f/4 L IS USM EXTENDER 1.4×

Aug 25, 2026

24 ELEMENTS / 19 GROUPS (PATENT ACTIVE; REAR FILTER EXCLUDED) · 200–400mm f/4 MARKETED · 205.00–389.99 mm / f/4.12 PATENT DESIGN

CANON EF-M 11-22mm f/4-5.6 IS STM

Aug 25, 2026

12 ELEMENTS / 9 GROUPS · 11-22mm f/4-5.6 MARKETED · 11.0037-22.0132mm COMPUTED DESIGN

CANON EF-M 18-55mm f/3.5-5.6 IS STM

Aug 25, 2026

13 ELEMENTS / 11 GROUPS · 18.58-53.36 mm DESIGN · f/3.60-5.69 MODELED

CANON EF-S 17-85mm f/4-5.6 IS USM

Aug 25, 2026

17 ELEMENTS / 12 GROUPS · 17-85mm MARKETED / 17.55-82.48mm DESIGN · f/4-5.6 MARKETED / f/4.11-5.77 MODELED

CANON EF-S 55-250mm f/4-5.6 IS

Aug 25, 2026

12 ELEMENTS / 10 GROUPS · PATENT EFL 56.9-241.3 mm · F/4.16-5.88 PATENT ENDPOINTS

CANON EF 100-400mm f/4.5-5.6 L IS USM

Aug 24, 2026

17 ELEMENTS / 14 PHYSICAL GROUPS · PATENT f = 102.68 / 161.53 / 389.19 mm · PATENT FNO = 4.6 / 5.1 / 5.8

CANON EF 300mm f/2.8 L IS USM

Aug 24, 2026

15 ACTIVE ELEMENTS / 11 GROUPS · MODELED EFL ≈ 293.600 mm · MODELED F/2.9

CANON EF 35mm f/1.4 L USM

Aug 24, 2026

11 ELEMENTS / 9 GROUPS · 35 mm MARKETED / 34.2948 mm DESIGN · f/1.4 MARKETED / f/1.45 DESIGN

CANON EF 400mm f/2.8 L IS USM

Aug 24, 2026

400mm f/2.8 (marketed) · Patent f = 392.15 mm, F/2.9 · 17 elements / 13 groups marketed; 16 / 12 modeled after rear-filter omission

CANON EF 400mm f/4 DO IS USM

Aug 24, 2026

US 2002/0015231 A1 — Example 1 · 15 modeled elements / 11 active groups · Design f = 392.025 mm, F/4.12

CANON EF 500mm f/4 L IS USM

Aug 24, 2026

15 MODELED ELEMENTS / 11 GROUPS · PATENT f = 490.56 mm; ARRAY EFL ≈ 491.36 mm · F/4.1 DESIGN / f/4 MARKETED

CANON RF 14-35mm f/4 L IS USM

Aug 23, 2026

16 ELEMENTS / 12 GROUPS · 14–35mm f/4 (marketed) · Computed EFL = 14.419–33.959 mm

CANON RF 15-30mm f/4.5-6.3 IS STM

Aug 23, 2026

13 ELEMENTS / 11 GROUPS · 15-30mm MARKETING / 15.45-29.15mm PATENT · f/4.5-6.3 MARKETING / f/4.60-6.36 MODEL

CANON RF 24-105mm f/4-7.1 IS STM

Aug 23, 2026

13 ELEMENTS / 11 GROUPS · 24-105mm f/4-7.1 (MARKETED) · PATENT f = 24.72-101.85 mm

CANON RF 50mm f/1.8 STM

Aug 23, 2026

6 ELEMENTS / 5 GROUPS · 50mm f/1.8 (MARKETED) · f = 49.5616 mm / F1.8527 (MODELED)

CANON RF 70-200mm f/4 L IS USM

Aug 23, 2026

16 ELEMENTS / 11 GROUPS · 4 UD-CLASS ELEMENTS · PATENT f = 72.27–193.89 mm

CANON RF-S 18-45mm f/4.5-6.3 IS STM

Aug 23, 2026

7 ELEMENTS / 7 GROUPS · 18–45mm f/4.5–6.3 (marketed) · 18.53–43.65mm f/4.56–6.50 (patent)

MINOLTA AF 20mm f/2.8

Aug 23, 2026

10 ELEMENTS / 9 GROUPS · 20mm · f/2.8

MINOLTA AF 35mm f/1.4

Aug 23, 2026

10 ELEMENTS / 8 GROUPS · 35mm MARKETED / 34.983 mm DESIGN · f/1.4 MARKETED / F/1.45 DESIGN

MINOLTA AF 35mm f/2

Aug 23, 2026

7 ELEMENTS / 6 GROUPS · 35mm MARKETING / 35.0002mm MODELED · f/2

MAMIYA AF APO 300mm f/4.5 IF

Aug 22, 2026

8 ELEMENTS / 8 GROUPS · 300mm f/4.5 · DESIGN f/4.63

MAMIYA SEKOR AF 55mm f/2.8

Aug 22, 2026

7 ELEMENTS / 6 GROUPS · f = 54.99997 mm (DESIGN) · F/2.8

MAMIYA-SEKOR ZOOM E 28-50mm f/3.5-4.5

Aug 22, 2026

9 ELEMENTS / 8 GROUPS · 28-47.55 mm DESIGN / 28-50 mm MARKETED · f/3.5-4.5

YASHICA ML 24mm f/2.8

Aug 22, 2026

9 ELEMENTS / 8 GROUPS · 24mm f/2.8 · 84°

YASHICA ML 300mm f/5.6 C

Aug 22, 2026

6 ELEMENTS / 3 GROUPS · 300mm f/5.6 · 2ω = 8.5°

YASHICA YASHINON-DX 21mm f/3.3

Aug 22, 2026

8 ELEMENTS / 5 GROUPS · 21mm · f/3.3

NIKON AF-S NIKKOR 600mm f/4E FL ED VR

Aug 21, 2026

16 IMAGING ELEMENTS / 12 GROUPS + PROTECTIVE MENISCUS · 2 FLUORITE / 4 ED (PRODUCTION SPECIFICATION) · 600mm f/4 (MARKETED)

NIKON AI AF-S NIKKOR ED 600mm f/4D II IF

Aug 21, 2026

10 ELEMENTS / 7 GROUPS · 600 mm f/4 (marketed) · EFL ≈ 587.793 mm (design)

NIKON AI NIKKOR 600mm f/5.6 IF-ED

Aug 21, 2026

7 ELEMENTS / 6 GROUPS · 600mm f/5.6 · 4°10′

CANON EF 600mm f/4 L IS II USM

Aug 21, 2026

15 ACTIVE ELEMENTS / 11 GROUPS · f = 584.82 mm (MODELED) · F/4.12 DESIGN

CANON EF 600mm f/4 L IS III USM

Aug 21, 2026

17 ELEMENTS / 13 GROUPS PRODUCTION; 16 / 12 ACTIVE MODEL · 600mm f/4 MARKETED · f ≈ 587.93 mm / F4.12 DESIGN

CANON EF 600mm f/4 L IS USM

Aug 21, 2026

15 modeled elements / 11 groups · Patent f = 585.20 mm; computed EFL ≈ 585.328 mm · Design F/4.12; marketed f/4

CANON RF 14mm f/1.4 L VCM

Aug 20, 2026

18 ELEMENTS / 13 GROUPS · 14mm f/1.4 (marketed) · f = 14.42mm / Fno 1.46 (Example 1)

CANON RF 24mm f/1.4 L VCM

Aug 20, 2026

15 ELEMENTS / 11 GROUPS · 24mm f/1.4 (MARKETED) · EXAMPLE 3: 24.72mm f/1.46

CANON RF 35mm f/1.4 L VCM

Aug 20, 2026

14 ELEMENTS / 11 GROUPS · 35 mm f/1.4 (marketing) · f = 34.0 mm, F/1.46 (patent)

CANON EF 400mm f/2.8 L IS III USM

Aug 20, 2026

16 active elements / 12 groups (rear filter omitted) · Patent f = 392.00 mm; traced EFL = 391.938 mm · Design F/2.90; 2ω = 6.32°

CANON RF 600mm f/11 IS STM

Aug 20, 2026

10 ELEMENTS / 7 GROUPS · 600mm f/11 (MARKETED) · EXAMPLE 1: 581.65mm f/11.31

CANON RF 800mm f/11 IS STM

Aug 20, 2026

11 ELEMENTS / 8 GROUPS · 800mm f/11 (MARKETED) · f = 776.37 mm / F/11.31 (PATENT)

CANON EF 400mm f/2.8 L IS II USM

Aug 19, 2026

15 ACTIVE ELEMENTS / 11 GROUPS (G FILTER EXCLUDED) · PATENT f = 392.15 mm; COMPUTED EFL 392.2607 mm · PATENT F/2.90 / MARKETED 400mm f/2.8

CANON EF 70-300mm f/4.5-5.6 DO IS USM

Aug 19, 2026

17 ELEMENTS / 14 AIR-SPACED ASSEMBLIES · 7 FUNCTIONAL ZOOM GROUPS · DESIGN 72.10-290.07 mm

CANON RF 100-500mm f/4.5-7.1 L IS USM

Aug 19, 2026

20 ELEMENTS / 14 GROUPS · 100-500mm f/4.5-7.1 (MARKETED) · EXAMPLE 2: 103-490mm f/4.60-7.20

NIKON AF-I NIKKOR 300mm f/2.8D IF-ED

Aug 18, 2026

300mm f/2.8 · PATENT F=293.9647mm / FN=2.9 · 11 ELEMENTS / 9 AIR-SPACED CLUSTERS

NIKON AF-I NIKKOR 400mm f/2.8D IF-ED

Aug 18, 2026

10 ELEMENTS / 7 GROUPS · 400mm f/2.8 MARKETED · 392.0066 mm PATENT F

NIKON AF-I NIKKOR 600mm f/4D IF-ED

Aug 18, 2026

9 ELEMENTS / 7 GROUPS · MARKETED 600mm f/4 · DESIGN f = 587.9998 mm

NIKON AF-S DX MICRO-NIKKOR 40mm f/2.8G

Aug 18, 2026

PATENT: 9 ELEMENTS / 8 GROUPS · PRODUCTION: 9 ELEMENTS / 7 GROUPS · 40 mm MARKETED / 40.001 mm MODELED

NIKON AF-S DX MICRO-NIKKOR 85mm f/3.5G ED VR

Aug 18, 2026

14 ELEMENTS / 10 GROUPS · 85 mm · f/3.5 MARKETED / FNO 3.6 DESIGN

NIKON AF-S DX VR ZOOM-NIKKOR 18-200mm f/3.5-5.6G IF-ED

Aug 18, 2026

16 PHYSICAL ELEMENTS / 12 GROUPS · 18-200mm marketed; 18.50109-194.99580mm patent control points · f/3.5-5.6 marketed; f/3.57-5.81 patent FNO

TAMRON 14-150mm f/3.5-5.8 Di III (C001)

Aug 17, 2026

17 ELEMENTS / 13 GROUPS · PATENT 14.43-145.40 mm · MODELED f/3.6909-5.9053

TAMRON 18-200mm f/3.5-6.3 Di III VC (B011)

Aug 17, 2026

17 ELEMENTS / 13 GROUPS · 18.50-194.00 mm PATENT EFL · f/3.56-6.47 PATENT

TAMRON AF 28-200mm SUPER XR f/3.8-5.6 Aspherical [IF] MACRO

Aug 17, 2026

28-200mm marketing / 29.07-193.0mm patent design · 15 PHYSICAL LENS PIECES / 14 GROUPS · 3 COMPOSITE ASPHERICAL LENSES

TAMRON AF 28-300mm f/3.5-6.3 XR Di LD Aspherical [IF] MACRO

Aug 17, 2026

28-300mm marketed / 28.9958-289.5284mm modeled · f/3.5-6.3 marketed / f/3.5000-6.5122 modeled wide-open · 13 groups / 15 physical lens pieces

TAMRON SP 150-600mm f/5-6.3 Di VC USD (A011)

Aug 17, 2026

20 ELEMENTS / 13 GROUPS · PATENT ZOOM POINTS 152.1633-582.5200 mm · MODELED F/4.99415-6.54062

TAMRON SP 70-200mm f/2.8 Di VC USD

Aug 17, 2026

23 ELEMENTS / 17 GROUPS · 70-200mm f/2.8 (MARKETING) · 71.800-194.500mm F/2.90 (PATENT DESIGN)

TAMRON SP AF 200-500mm f/5-6.3 Di LD [IF]

Aug 17, 2026

13 ELEMENTS / 10 GROUPS · 200-500mm f/5-6.3 · 2 LD ELEMENTS

TAMRON SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] MACRO

Aug 17, 2026

16 ELEMENTS / 14 GROUPS · DESIGN f = 28.87-72.65 mm · DESIGN F/2.91

TAMRON SP AF 70-200mm f/2.8 Di LD [IF] MACRO

Aug 17, 2026

18 ELEMENTS / 13 GROUPS · 70-200mm f/2.8 (MARKETING) · 71.50-194.00mm F/2.88 (PATENT DESIGN)

NIKON AF-S NIKKOR 300mm f/4E PF ED VR

Aug 16, 2026

300 mm f/4 (marketed) · 16 elements / 10 groups · 1 ED + 1 PF

NIKON AF-S NIKKOR 400mm f/2.8E FL ED VR

Aug 16, 2026

16 ELEMENTS / 12 GROUPS · 2 FLUORITE + 2 ED · 400 mm MARKETED / 391.497 mm MODELED

NIKON AF-S NIKKOR 500mm f/4E FL ED VR

Aug 16, 2026

16 ELEMENTS / 12 GROUPS · 2 FLUORITE + 3 ED · MODELED f = 489.460 mm

NIKON AI AF-S NIKKOR ED 300mm f/2.8D IF

Aug 16, 2026

11 ELEMENTS / 8 GROUPS · 3 ED ELEMENTS · 300mm f/2.8 (MARKETED)

NIKON AI AF-S NIKKOR ED 400mm f/2.8D II IF

Aug 16, 2026

11 ELEMENTS / 9 GROUPS · 400 mm marketed / 391.999 mm design · f/2.8 marketed / F/2.88 design

NIKON AI AF-S NIKKOR ED 500mm f/4D IF

Aug 16, 2026

11 ELEMENTS / 9 GROUPS · 3 ED ELEMENTS · PATENT F=490.0 mm; EFL≈489.961 mm

HD PENTAX-D FA 150-450mm f/4.5-5.6 ED DC AW

Aug 15, 2026

Marketed 150–450mm f/4.5–5.6 · Design f = 153.50–440.00 mm · Design F/4.6–5.7

HD PENTAX-DA 16-85mm f/3.5-5.6 ED DC WR

Aug 15, 2026

16 ELEMENTS / 12 GROUPS · 16-85mm f/3.5-5.6 (marketing) · 16.48-82.45mm, modeled f/3.585-5.764 (Example 1)

HD PENTAX-DA 18-50mm f/4-5.6 DC WR RE

Aug 15, 2026

11 ELEMENTS / 8 GROUPS · 18-50mm F4-5.6 · 0.3m MFD

HD PENTAX-DA 20-40mm f/2.8-4 ED Limited DC WR

Aug 15, 2026

9 ELEMENTS / 8 GROUPS · 20–40mm f/2.8–4 (production) · 20.60 / 30.00 / 39.00 mm (patent)

HD PENTAX-DA645 28-45mm f/4.5 ED AW SR

Aug 15, 2026

17 PHYSICAL LENSES / 12 GROUPS · 28-45mm f/4.5 MARKETED · 28.699-43.874mm DESIGN

SMC PENTAX-A ZOOM 35-70mm f/4

Aug 15, 2026

7 ELEMENTS / 7 GROUPS · 35-70mm f/4 (MARKETED) · 36-68.5mm f/4.1 (PATENT)

NIKON AF-S VR ZOOM-NIKKOR 200-400mm f/4G IF-ED

Aug 14, 2026

24 ELEMENTS / 17 GROUPS · 200-400mm f/4 (MARKETED) · 204-392mm F/4.08 (EXAMPLE 1)

NIKON AF-S VR ZOOM-NIKKOR 24-120mm f/3.5-5.6G IF-ED

Aug 14, 2026

15 ELEMENTS / 13 GROUPS · 24.720-116.500 mm DESIGN · F/3.604-5.903 DESIGN

NIKON AF-S VR ZOOM-NIKKOR 70-200mm f/2.8G IF-ED

Aug 14, 2026

21 ELEMENTS / 15 GROUPS · 70-200mm MARKETED; 71.4-196.0mm DESIGN · f/2.8 MARKETED; f/2.88 MODELED

NIKON AI AF VR ZOOM-NIKKOR 80-400mm f/4.5-5.6D ED

Aug 14, 2026

17 ELEMENTS / 11 GROUPS · 80-400mm MARKETED (81.976-390.000mm EXAMPLE 4) · f/4.5-5.6 MARKETED (f/4.600-5.701 EXAMPLE 4)

NIKON AI AF ZOOM-NIKKOR 18-35mm f/3.5-4.5D IF-ED

Aug 14, 2026

18-35mm f/3.5-4.5 · 11 ELEMENTS / 8 GROUPS · 1 COMPOUND ASPHERICAL + 1 ED ELEMENT

NIKON AI AF-S ZOOM-NIKKOR 80-200mm f/2.8D IF-ED

Aug 14, 2026

18 ELEMENTS / 14 GROUPS · MARKETED 80-200mm f/2.8 · DESIGN EFL ≈ 81.55-196.00mm

SONY DT 16-50mm f/2.8 SSM

Aug 13, 2026

16 ELEMENTS / 13 GROUPS · PATENT f = 16.48-48.50 mm · F/2.89 DESIGN (f/2.8 MARKETED)

SONY E 18-200mm f/3.5-6.3 OSS LE

Aug 13, 2026

17 PHYSICAL LENS PIECES / 13 PATENT AIR-SPACED GROUPS · MARKETED 18-200mm f/3.5-6.3 · PATENT f = 18.4671 / 69.9995 / 193.7966 mm

SONY E 50mm f/1.8 OSS

Aug 13, 2026

9 ELEMENTS / 8 GROUPS · 50mm MARKETED / 51.30mm DESIGN · f/1.8 MARKETED / f/1.85 DESIGN

SONY E PZ 16-50mm f/3.5-5.6 OSS

Aug 12, 2026

9 ELEMENTS / 8 GROUPS · 16-50mm f/3.5-5.6 (MARKETED) · 16.48-48.50mm f/3.61-5.77 (PATENT)

SONY FE PZ 16-35mm f/4 G

Aug 12, 2026

13 ELEMENTS / 12 GROUPS · 16.48-33.96 mm PATENT ZOOM STATES · F/4.12 MODELED

SONY VARIO-SONNAR T* 24-70mm f/2.8 ZA SSM

Aug 12, 2026

17 ELEMENTS / 13 GROUPS · 24-70mm · f/2.8

MINOLTA AF 100mm f/2

Aug 11, 2026

7 ELEMENTS / 6 GROUPS · 100mm f/2 · 1.0m MFD

MINOLTA AF 135mm f/2.8 [T4.5] STF

Aug 11, 2026

8 ELEMENTS / 6 GROUPS · 135mm f/2.8 [T4.5] STF · MODELED EFL 135.001536 mm

MINOLTA AF 28-70mm f/2.8 G

Aug 11, 2026

16 ELEMENTS / 11 GROUPS · 4-GROUP N-P-N-P ZOOM · 28.7 / 50.0 / 68.3mm DESIGN STATES

MINOLTA AF 400mm f/4.5 APO G

Aug 11, 2026

8-ELEMENT / 6-GROUP PATENT MODEL · 390 mm PATENT HEADER / 391.43 mm COMPUTED EFL · F/4.59 DESIGN

MINOLTA AF 80-200mm f/2.8 APO

Aug 11, 2026

16 ELEMENTS / 13 GROUPS · DESIGN 82-195mm · F/2.88 DESIGN

MINOLTA MC FISH-EYE ROKKOR-OK 16mm f/2.8

Aug 11, 2026

MINOLTA: 11 ELEMENTS / 8 GROUPS INCLUDING BUILT-IN FILTER · ACTIVE MODEL: 10 ELEMENTS / 7 GROUPS · 16mm f/2.8

TAMRON 18-400mm f/3.5-6.3 Di II VC HLD

Aug 10, 2026

16 ELEMENTS / 11 GROUPS · 18-400mm MARKETING / 18.5105-389.00mm PATENT · MODELED F/3.4059-6.4828

TAMRON 28-300mm f/3.5-6.3 Di VC PZD

Aug 10, 2026

19 ELEMENTS / 15 GROUPS · 28-300mm marketed; 28.776-291.262mm patent states · FNO 3.628 / 3.628 / 6.459 modeled

TAMRON 50-300mm f/4.5-6.3 Di III VC VXD

Aug 10, 2026

19 ELEMENTS / 14 GROUPS · PATENT f = 51.509-290.867 mm · PATENT F/4.635-6.489

TAMRON 70-180mm f/2.8 Di III VXD

Aug 10, 2026

19 ELEMENTS / 14 GROUPS · 70-180mm f/2.8 MARKETED · 72.102-174.600mm PUBLISHED DESIGN STATES

TAMRON SP 24-70mm f/2.8 Di VC USD

Aug 10, 2026

17 physical elements / 12 groups (18 modeled media) · 24.7-67.799 mm design / 24-70 mm marketed · F/2.9 design / f/2.8 marketed

TAMRON SP 70-300mm f/4-5.6 Di VC USD

Aug 10, 2026

17 ELEMENTS / 12 GROUPS · DESIGN 71.75–292.00mm · MODELED f/4.122–5.853

NIKON AI AF ZOOM-NIKKOR 20-35mm f/2.8D IF

Aug 9, 2026

14 ELEMENTS / 11 AIR-SEPARATED UNITS / 4 ZOOM GROUPS · 20-35mm MARKETED / 20.5-34.0mm PATENT DESIGN · f/2.8 MARKETED / F/2.89 PATENT DESIGN

NIKON AI AF ZOOM-NIKKOR 80-200mm f/2.8D ED

Aug 9, 2026

16 ELEMENTS / 11 GROUPS · 80-200mm f/2.8 (MARKETED) · 80.944-196.000mm (MODELED)

NIKON NIKKOR Z 20mm f/1.8 S

Aug 9, 2026

20 mm · f/1.8 · 14 elements / 11 groups

RICOH GR LENS 6.0mm f/1.9 (Ricoh GR DIGITAL III)

Aug 9, 2026

8 ELEMENTS / 6 GROUPS · 6.0 mm · f/1.9 marketed / f/1.93 modeled

RICOH GR LENS 6.0mm f/1.9 (Ricoh GR DIGITAL IV)

Aug 9, 2026

8 ELEMENTS / 6 GROUPS · 6.0 mm · f/1.9 marketed / f/1.99 patent design

RICOH LENS A16 24-85mm F3.5-5.5

Aug 9, 2026

11 ELEMENTS / 9 GROUPS · 15.7-55.5 mm actual (24-85 mm equivalent) · f/3.5-5.5 marketed; f/3.62-5.67 patent design

PENTAX SMC D FA645 25mm f/4 AL[IF] SDM AW

Aug 8, 2026

12 REFRACTIVE ELEMENTS / 7 MODELED GROUPS · f = 25.6946 mm (DESIGN) · F/4.1 (DESIGN)

PENTAX SMC DA 16-45mm f/4 ED AL

Aug 8, 2026

13 ELEMENTS / 10 GROUPS · 16-45 mm f/4 MARKETING · 16.30-43.70 mm / F4.1 MODEL

PENTAX SMC DA 18-55mm f/3.5-5.6 AL

Aug 8, 2026

12 ELEMENTS / 9 GROUPS · 18-55mm f/3.5-5.6 (marketing) · Design f = 19.10-55.16 mm

PENTAX SUPER-TAKUMAR 135mm f/2.5

Aug 8, 2026

5 ELEMENTS / 4 GROUPS · 135mm f/2.5 MARKETED · f = 134.498 mm MODELED

PENTAX-02 STANDARD ZOOM 5-15mm f/2.8-4.5

Aug 8, 2026

8 ELEMENTS / 7 PHYSICAL GROUPS · MARKETED 5-15mm f/2.8-4.5 · DESIGN f = 5.139-14.825 mm; FNO = 2.8 / 3.7 / 4.6

PENTAX-06 TELEPHOTO ZOOM 15-45mm f/2.8

Aug 8, 2026

14 ELEMENTS / 10 GROUPS · MARKETED 15-45mm f/2.8 · DESIGN f = 15.50-44.04 mm; FNO = 2.9

MAMIYA N 210mm f/8 L

Aug 7, 2026

7 ELEMENTS / 5 GROUPS · f = 209.958 mm (SCALED DESIGN) · F/8.15 MODELED / f/8 MARKETED

MAMIYA SEKOR AF 150mm f/2.8 IF D

Aug 7, 2026

8 ELEMENTS / 7 GROUPS · f = 149.790 mm (DESIGN) · F/2.88 (DESIGN)

MAMIYA-SEKOR C 55mm f/2.8 N

Aug 7, 2026

8 ELEMENTS / 6 GROUPS · f = 54.9999 mm · F/2.8

MAMIYA-SEKOR CS 35mm f/2.8

Aug 7, 2026

6 ELEMENTS / 6 GROUPS · f = 34.988 mm (MODELED) · F/2.8

MAMIYA-SEKOR MACRO C 80mm f/4

Aug 7, 2026

6 ELEMENTS / 4 GROUPS · f = 80.121 mm (DESIGN) · F/4

MAMIYA-SEKOR SFC 150mm f/4 SOFT FOCUS

Aug 7, 2026

5 ELEMENTS / 3 GROUPS · f = 150.026 mm (MODELED) · F/4

NIKON AF DC-NIKKOR 135mm f/2D

Aug 6, 2026

7 ELEMENTS / 6 GROUPS · 135mm f/2 · 18° FULL FIELD

NIKON AF FISHEYE-NIKKOR 16mm f/2.8D

Aug 6, 2026

8 ELEMENTS / 5 GROUPS · DESIGN EFL 15.66855 mm · f/2.9 MODEL / f/2.8 MARKETED

NIKON AF-S FISHEYE NIKKOR 8-15mm f/3.5-4.5E ED

Aug 6, 2026

18 ELEMENTS / 13 GROUPS — PATENT EXAMPLE · 8.17997–15.45007mm DESIGN · f/3.56351–4.67681 DESIGN

P. ANGÉNIEUX DEM 180mm f/2.3 APO

Aug 6, 2026

8 ELEMENTS / 6 GROUPS · f = 179.927 mm (DESIGN) · f/2.3

P. ANGÉNIEUX RETROFOCUS TYPE R1 35mm f/2.5

Aug 6, 2026

6 ELEMENTS / 5 GROUPS · 35mm MARKETING / 35.372mm DESIGN · f/2.5

P. ANGÉNIEUX RETROFOCUS TYPE R11 28mm f/3.5

Aug 6, 2026

6 ELEMENTS / 6 GROUPS · 28.000 mm DESIGN EFL · f/3.5

VOIGTLÄNDER COLOR-HELIAR 105mm f/3.5 (Voigtländer Bessa II)

Aug 5, 2026

5 ELEMENTS / 3 GROUPS · f = 104.999 mm (MODELED) · f/3.5

VOIGTLÄNDER COLOR-SKOPAR 105mm f/3.5 (Voigtländer Bessa II)

Aug 5, 2026

4 ELEMENTS / 3 GROUPS · f = 104.999mm · F/3.5

VOIGTLÄNDER DYNAR 100mm f/6

Aug 5, 2026

5 ELEMENTS / 3 GROUPS · PATENT NORMALIZATION fD = 100 · COMPUTED EFL 101.194 mm

VOIGTLÄNDER HELIAR 100mm f/4.5 (Second Asymmetric Form)

Aug 5, 2026

5 ELEMENTS / 3 GROUPS · f = 99.858 mm DESIGN · f/4.342 MODELED / f/4.5 DESIGNATION

VOIGTLÄNDER NOKTON 50mm f/1.5

Aug 5, 2026

7 ELEMENTS / 5 GROUPS · f = 49.9999 mm (DESIGN) · f/1.5000 (DESIGN)

VOIGTLÄNDER TELOMAR 100mm f/5.5

Aug 5, 2026

5 ELEMENTS / 4 GROUPS · DESIGN f = 101.259 mm · MODELED f/5.473

SAMSUNG 20mm f/2.8

Aug 4, 2026

6 ELEMENTS / 4 GROUPS · 20.2898 mm MODELED EFL · f/2.8563 MODELED APERTURE

SAMSUNG 30mm f/2

Aug 4, 2026

5 ELEMENTS / 5 GROUPS · DESIGN f = 30.756 mm · DESIGN f/2.07

SAMSUNG 45mm f/1.8

Aug 4, 2026

7 ELEMENTS / 6 GROUPS · 45mm f/1.8 (MARKETED) · 46.307mm f/1.84 (DESIGN)

NIKON AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VR

Aug 4, 2026

TC OUT — EXAMPLE 1 · 27 ELEMENTS / 19 GROUPS · 183.6–392.0 mm DESIGN ZOOM

NIKON AF-S NIKKOR 500mm f/5.6E PF ED VR

Aug 3, 2026

19 elements / 11 groups · 500 mm f/5.6 marketed · f = 489.704 mm design

NIKON NIKKOR Z 180-600mm f/5.6-6.3 VR

Aug 3, 2026

25 ELEMENTS / 17 GROUPS · 180-600mm (DESIGN 185.0086-582.1636mm) · f/5.6-6.3 (DESIGN f/5.8014-6.5296)

VOIGTLÄNDER APO-SKOPAR 90mm f/2.8 VM / SL IIs

Aug 2, 2026

7 ELEMENTS / 7 GROUPS · EFL 87.261 mm MODEL / 87.30 mm PATENT · 90 mm / f/2.8 MARKETED

VOIGTLÄNDER COLOR-SKOPAR 28mm f/2.8 Aspherical SL IIs

Aug 2, 2026

7 ELEMENTS / 6 GROUPS · EFL 29.430 mm MODEL / 29.4 mm PATENT · 28 mm / f/2.8 MARKETED

VOIGTLÄNDER NOKTON 60mm f/0.95

Aug 2, 2026

11 ELEMENTS / 8 GROUPS · EFL 58.145 mm MODEL / 58.15 mm PATENT · 60 mm / f/0.95 MARKETED

VOIGTLÄNDER APO-LANTHAR 50mm f/3.5 (Type II) VM

Aug 2, 2026

8 ELEMENTS / 6 GROUPS · EFL 49.101 mm MODEL / 49.10 mm PATENT · 50 mm / f/3.5 MARKETED

VOIGTLÄNDER NOKTON Vintage Line 50mm f/1.5 Aspherical II VM

Aug 2, 2026

8 ELEMENTS / 7 GROUPS · EFL 49.598 mm MODEL / 49.60 mm PATENT · 50 mm / f/1.5 MARKETED

VOIGTLÄNDER NOKTON Vintage Line 75mm f/1.5 Aspherical VM

Aug 2, 2026

7 ELEMENTS / 6 GROUPS · EFL 74.503 mm MODEL / 74.5 mm PATENT · 75 mm / f/1.5 MARKETED

VOIGTLÄNDER APO-LANTHAR 28mm f/2 Aspherical VM

Aug 1, 2026

12 ELEMENTS / 8 GROUPS · 28mm f/2 (PRODUCTION) · f = 28.84mm / F2.06 (PATENT)

VOIGTLÄNDER APO-ULTRON 90mm f/2 VM

Aug 1, 2026

8 ELEMENTS / 7 GROUPS · 90mm f/2 (MARKETED) · f = 87.28mm / F2.05 (DESIGN)

VOIGTLÄNDER COLOR-SKOPAR 28mm f/2.8 Aspherical

Aug 1, 2026

8 ELEMENTS / 5 GROUPS · f ≈ 28.900 mm · F/2.85

VOIGTLÄNDER COLOR-SKOPAR 35mm f/3.5 Aspherical

Jul 31, 2026

6 ELEMENTS / 4 GROUPS · 35mm f/3.5 (35.741mm f/3.58 design) · 2ω = 61.5° (61.6° marketed)

VOIGTLÄNDER PORTRAIT HELIAR 75mm f/1.8

Jul 31, 2026

6 ELEMENTS / 3 GROUPS · 75 mm marketing · 73.356 mm sharp-state EFL · F/1.8 marketing · F/1.858 design

VOIGTLÄNDER ULTRON 27mm f/2

Jul 31, 2026

6 ELEMENTS / 4 GROUPS · PATENT f = 27.8000 mm · PATENT F/2.0441

PANASONIC LUMIX S 24-105mm f/4 MACRO O.I.S.

Jul 31, 2026

16 ELEMENTS / 13 GROUPS · DESIGN f = 25.003-100.569 mm · MODELED F/4.119

PANASONIC LUMIX S 70-300mm f/4.5-5.6 MACRO O.I.S.

Jul 31, 2026

17 ELEMENTS / 11 GROUPS · 7 ZOOM GROUPS (+/−/+/+/−/+/−) · ALL SPHERICAL

PANASONIC LUMIX S PRO 16-35mm f/4

Jul 31, 2026

12 LENS ELEMENTS / 9 GROUPS · 16.5534-33.8782 mm DESIGN · F/4.10925-F/4.12028 MODELED

PANASONIC LUMIX S PRO 24-70mm f/2.8

Jul 30, 2026

18 ELEMENTS / 16 GROUPS · DESIGN 24.840-67.551 mm · F/2.927 MODELED

PANASONIC LUMIX S PRO 70-200mm f/2.8 O.I.S.

Jul 30, 2026

22 ELEMENTS / 17 GROUPS · MODELED f = 72.46–193.02 mm · MODELED F/2.83263 WIDE

PANASONIC LUMIX S PRO 70-200mm f/4 O.I.S.

Jul 30, 2026

23 ELEMENTS / 17 GROUPS · DESIGN f = 72.50-193.95 mm · MODELED F/4.11-4.15

NIKON AF ZOOM-NIKKOR 28-200mm f/3.5-5.6 G IF-ED

Jul 29, 2026

12 physical elements / 11 groups (14 material layers modeled) · Production: 28-200mm f/3.5-5.6 · Patent design: 29.1-192mm f/3.6-5.9

NIKON AF-S DX ZOOM-NIKKOR 12-24mm f/4 G IF-ED

Jul 29, 2026

11 GLASS ELEMENTS / 7 GROUPS · 12.3000-23.3001 mm DESIGN · f/4.1 DESIGN

NIKON AI AF ZOOM-NIKKOR 24-120mm f/3.5-5.6 D IF

Jul 29, 2026

15 ELEMENTS / 11 GROUPS · DESIGN f = 24.701-116.518 mm · F/3.60-5.90

PENTAX HD D FA645 35mm f/3.5 AL [IF]

Jul 29, 2026

10 PHYSICAL ELEMENTS / 8 PATENT GROUPS · PATENT DESIGN f = 36.000 mm · MODELED f/3.6

PENTAX HD D FA645 MACRO 90mm f/2.8 ED AW SR

Jul 29, 2026

11 ELEMENTS / 9 GROUPS · f = 90.116 mm (DESIGN) · F/2.85 (DESIGN)

PENTAX SMC DA 17-70mm f/4 AL [IF] SDM

Jul 29, 2026

17 ELEMENTS / 12 GROUPS · DESIGN 17.50–67.89 mm · F/4.1 MODELED

PENTAX HD D FA 28-105mm f/3.5-5.6 ED DC WR

Jul 28, 2026

15 ELEMENTS / 11 GROUPS · PATENT f = 28.70–102.38 mm · PATENT f/3.6–5.7

PENTAX HD D FA* 70-200mm f/2.8 ED DC AW

Jul 28, 2026

19 ELEMENTS / 15 GROUPS (PATENT) · 19 ELEMENTS / 16 GROUPS (MARKETED) · 70-200mm f/2.8 (MARKETED)

PENTAX HD DA* 11-18mm f/2.8 ED DC AW

Jul 28, 2026

16 ELEMENTS / 11 GROUPS · 11–18 mm MARKETING / 11.25–17.70 mm DESIGN · F/2.8 CONSTANT

NIKON NIKKOR-O 2.1cm f/4

Jul 27, 2026

8 ELEMENTS / 4 GROUPS · f = 21.000 mm · f/4

NIKON NIKKOR-S AUTO 5.8cm f/1.4

Jul 27, 2026

7 ELEMENTS / 6 GROUPS · f = 58.0059 mm · F/1.4

NIKON NIKKOR-S AUTO 5cm f/2

Jul 27, 2026

7 ELEMENTS / 5 GROUPS · EFL 50.006 mm · f/2

NIKON ZOOM-NIKKOR AUTO 80-200mm f/4.5

Jul 27, 2026

15 elements / 10 groups · computed f = 80.009–200.341 mm · constant f/4.5

NIKON AI ZOOM-NIKKOR 80-200mm f/4

Jul 26, 2026

13 ELEMENTS / 9 GROUPS · 80-200mm f/4 (MARKETED) · 80.0-195.2mm f/4 (DESIGN)

NIKON AI ZOOM-NIKKOR 80-200mm f/4.5

Jul 26, 2026

12 ELEMENTS / 9 GROUPS · COMPUTED EFL 80.102-199.912 mm · F/4.5

FUJIFILM FUJINON GF 250mm f/4 R LM OIS WR

Jul 25, 2026

16 ELEMENTS / 10 GROUPS · 250 mm f/4 (MARKETED) · f = 242.544 mm · F/4.12 (DESIGN)

FUJIFILM SUPER EBC FUJINON 7.1-28.4mm f/2-2.8 (Fujifilm X10)

Jul 25, 2026

11 ELEMENTS / 9 GROUPS · DESIGN f = 7.342-27.682 mm · MODELED F/2.064-2.875

FUJIFILM TCL-X100 33mm f/2 (Fujifilm X100)

Jul 25, 2026

12 ELEMENTS / 10 GROUPS · f = 32.818 mm (design) · F/2.05 (design)

CANON EF 28-200mm f/3.5-5.6 USM

Jul 23, 2026

16 GLASS SUBSTRATES / 12 GROUPS · DESIGN 28.92-193.14 mm · MODELED f/3.63-5.88

CANON EF 28mm f/2.8

Jul 23, 2026

5 ELEMENTS / 5 GROUPS · f = 28.219 mm (MODELED) · F/2.8

CANON EF 28mm f/2.8 IS USM

Jul 23, 2026

9 ELEMENTS / 7 GROUPS · DESIGN f = 28.60 mm · DESIGN F/2.86

CANON EF 28-70mm f/3.5-4.5 II

Jul 22, 2026

10 ELEMENTS / 9 GROUPS · DESIGN EFL 29.083-67.894 mm · DESIGN f/3.6-4.6

CANON EF 28-90mm f/4-5.6 II USM

Jul 22, 2026

10 elements / 8 air-spaced groups · 28-90mm f/4-5.6 · Canon EF / 135 format

CANON EF 28-80mm f/3.5-5.6 II

Jul 22, 2026

10 ELEMENTS / 10 GROUPS · COMPUTED EFL 28.9689-76.9612 mm · PATENT f/3.46-5.88

CANON EF 28-105mm f/3.5-4.5 II USM

Jul 21, 2026

15 ELEMENTS / 12 GROUPS · PATENT EFL 28.903-101.333 mm · PATENT f/3.63-4.67

CANON EF 28-105mm f/4-5.6

Jul 21, 2026

10 ELEMENTS / 9 GROUPS · PATENT 28.91-101.32mm · MARKETED 28-105mm f/4-5.6

CANON EF 28-135mm f/3.5-5.6 IS USM

Jul 21, 2026

16 elements / 12 groups · 28-135mm f/3.5-5.6 marketed; 28.891-131.182mm patent design · 135 full-frame / Canon EF

CANON EF 20mm f/2.8 USM

Jul 20, 2026

11 elements / 9 groups · Patent EFL 20.498624 mm; retained at printed scale · f/2.8 marketed; f/2.9 patent design

CANON EF 24mm f/1.4 L II USM

Jul 20, 2026

13 ELEMENTS / 10 GROUPS · f = 24.539 mm (DESIGN) · f/1.4 MARKETED; f/1.45 PATENT

CANON EF 24mm f/1.4 L USM

Jul 20, 2026

11 ELEMENTS / 9 GROUPS · PATENT f = 24.6 mm, F/1.45, 2ω = 82.7° · 1 UD ELEMENT / 1 GROUND ASPHERICAL ELEMENT

CANON 50mm f/1.2

Jul 19, 2026

7 ELEMENTS / 5 GROUPS · 50 mm (DESIGN 50.513 mm) · F/1.2

CANON 50mm f/2.8

Jul 19, 2026

4 ELEMENTS / 3 GROUPS · EFL 50.0499 mm · F/2.8

CANON EF 200mm f/1.8 L USM

Jul 19, 2026

10 POWERED ELEMENTS / 8 GROUPS (PATENT CORE) · f ≈ 200.017 mm · f/1.86 PATENT DESIGN

CANON EF 11-24mm f/4 L USM

Jul 19, 2026

16 elements / 11 groups · 11-24 mm f/4 marketed; 11.33-23.28 mm F/4.12 patent design · 4 aspherical elements / 4 aspherical surfaces

CANON EF 14mm f/2.8 L USM

Jul 19, 2026

14 ELEMENTS / 10 GROUPS · f = 14.201 mm · F/2.8 (DESIGN 1:2.892)

CANON EF 15mm f/2.8 Fisheye

Jul 19, 2026

8 ELEMENTS / 7 GROUPS · PATENT F = 15.3 mm · TRACED EFL = 15.2865 mm

VIVITAR SERIES 1 135mm f/2.3 AUTO TELEPHOTO

Jul 18, 2026

6 ELEMENTS / 6 GROUPS · f = 135.21 mm · f/2.3

VIVITAR SERIES 1 450mm f/4.5 VMC ASPHERICAL MIRROR

Jul 18, 2026

10 POWERED COMPONENTS / 7 GROUPS · f = 437.4 mm (PATENT) · F/4.5 FIXED

VIVITAR SERIES 1 70-210mm f/3.5 VMC MACRO FOCUSING AUTO ZOOM

Jul 18, 2026

15 ELEMENTS / 10 GROUPS · 70-210mm (PATENT 70-205mm) · f/3.5 (PATENT 1:3.65)

TAMRON SP 90mm f/2.8 Di MACRO 1:1 VC USD (F004)

Jul 17, 2026

14 ELEMENTS / 11 GROUPS · f = 92.556 mm (COMPUTED) · F/2.89 DESIGN / f/2.8 MARKETED

TAMRON SP AF 180mm f/3.5 Di LD [IF] MACRO 1:1 (B01)

Jul 17, 2026

14 ELEMENTS / 11 GROUPS · PATENT f = 176.9587 mm; DATA SCALED TO 180 mm · F/3.5 (PATENT FNO 3.536)

TAMRON SP AF 60mm f/2 Di II LD [IF] MACRO 1:1 (G005)

Jul 17, 2026

14 ELEMENTS / 10 GROUPS · 60mm f/2 (MARKETED) · f = 61.500mm, FNO. = 2.06 (PATENT)

SONY 70-400mm f/4-5.6 G SSM II

Jul 15, 2026

18 ELEMENTS / 12 GROUPS · PATENT 72.06-388.09mm · MARKETED 70-400mm f/4-5.6

SONY E 20mm f/2.8

Jul 15, 2026

6 ELEMENTS / 6 GROUPS · 4 POWER GROUPS (+/−/+/−) · f = 20.421 mm (DESIGN)

SONY FE 20mm f/1.8 G

Jul 15, 2026

14 ELEMENTS / 12 GROUPS · 20 mm (scaled from 19.5069 mm paraxial) · f/1.8 marketed / f/1.85 patent

SCHNEIDER-KREUZNACH SUPER-ANGULON 90mm f/8

Jul 14, 2026

6 ELEMENTS / 4 GROUPS · f = 90.3 mm · F/8

SCHNEIDER-KREUZNACH SUPER-SYMMAR HM 120mm f/5.6

Jul 14, 2026

8 ELEMENTS / 6 GROUPS · f = 121.6 mm (SCALED PATENT MODEL) · f/5.6

SCHNEIDER-KREUZNACH TECHNIKA SUPER-ANGULON 75mm f/8

Jul 14, 2026

6 ELEMENTS / 4 GROUPS · f = 76.51 mm (75 mm nominal) · F/8

PENTAX SUPER-TAKUMAR 28mm f/3.5

Jul 14, 2026

7 ELEMENTS / 7 GROUPS · f = 28.000 mm · F/3.5

PENTAX SUPER-TAKUMAR 35mm f/2

Jul 14, 2026

8 ELEMENTS / 7 GROUPS · f = 35.000 mm · f/2

PENTAX ULTRA-ACHROMATIC-TAKUMAR 85mm f/4.5

Jul 14, 2026

5 ELEMENTS / 5 GROUPS · f = 85mm (PATENT f = 100mm × 0.85) · F/4.5

OLYMPUS G.ZUIKO AUTO-W 28mm f/3.5

Jul 13, 2026

7 ELEMENTS / 7 GROUPS · f = 28.007 mm · F/3.5

OLYMPUS H.ZUIKO AUTO-W 24mm f/2.8 (US 3,994,574 Design)

Jul 13, 2026

8 ELEMENTS / 7 GROUPS · f = 23.99995 mm · F/2.8

OLYMPUS ZUIKO AUTO-W 28mm f/2

Jul 13, 2026

9 ELEMENTS / 8 GROUPS · f = 28.000 mm · F/2

OLYMPUS E.ZUIKO AUTO-T 1000mm f/11

Jul 12, 2026

5 ELEMENTS / 5 GROUPS · f = 1000.10 mm · F/11

OLYMPUS H.ZUIKO AUTO-W 24mm f/2.8

Jul 12, 2026

8 ELEMENTS / 7 GROUPS · f = 23.999 mm · F/2.8

OLYMPUS ZUIKO AUTO-W 18mm f/3.5

Jul 12, 2026

11 ELEMENTS / 9 GROUPS · 18.03 mm PARAXIAL EFL · f/3.5

NIKON AF-S NIKKOR 18-35mm f/3.5-4.5 G ED

Jul 11, 2026

12 elements / 8 groups · 18-35mm FX · Patent EFL 18.50-34.00mm

NIKON NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR

Jul 11, 2026

12 elements / 11 groups · Patent f = 12.36-27.16 mm · Marketed 12-28 mm f/3.5-5.6

NIKON NIKKOR-H Auto 2.8cm f/3.5

Jul 11, 2026

6 elements / 6 groups · f ≈ 28.0 mm · F/3.5

NIKON DODOTTO 400mm f/8

Jul 9, 2026

4 ELEMENTS / 2 GROUPS · f = 390.0 mm design / 400 mm marketed · FNO = 8.13 patent / f/8 marketed

NIKON R-UW AF FISHEYE-NIKKOR 13mm f/2.8

Jul 9, 2026

10 ELEMENTS / 7 GROUPS · f = 12.32 mm in water · F/2.87

NIKON R-UW AF MICRO-NIKKOR 50mm f/2.8

Jul 9, 2026

10 elements / 9 groups · f = 51.6 mm in water · f/2.8

NIKON R-UW AF ZOOM-NIKKOR 20-35mm f/2.8

Jul 9, 2026

10 elements / 10 groups · f = 20.60-34.00 mm in water · F/2.88 design aperture

SAMYANG AF 18mm f/2.8 FE

Jul 8, 2026

9 elements / 8 groups · f = 18.541 mm patent; 18.548 mm computed · Fno = 2.85 design; f/2.8 marketed

SAMYANG AF 35-150mm f/2-2.8 FE / L

Jul 8, 2026

21 physical elements / 18 groups · Patent EFL 35.989-146.969 mm · Marketed f/2-2.8; patent F2.07-F2.90

SAMYANG AF 85mm f/1.4 FE

Jul 8, 2026

11 elements / 8 groups · f = 83.996 mm design / 85 mm marketed · F/1.47 design / f/1.4 marketed

NIKON ULTRA-MICRO-NIKKOR 29.5mm f/1.2

Jul 7, 2026

9 elements / 6 groups · f = 29.5 mm nominal; e-line EFL ≈ 29.11 mm · F/1.2

NIKON UV-NIKKOR 105mm f/4.5

Jul 7, 2026

6 elements / 6 groups · f = 105 mm · f/4.5

NIKON UV-NIKKOR AUTO 55mm f/4

Jul 7, 2026

3 elements / 3 groups · f ≈ 55.03 mm · F/4

FUJIFILM EBC FUJINON SW 65mm f/5.6 (Fujica GSW690 Professional)

Jul 6, 2026

6 elements / 4 groups · f ≈ 65.0 mm · F/5.6

FUJIFILM EBC FUJINON-W 35mm f/1.9

Jul 6, 2026

8 elements / 6 groups · 35mm · f/1.9

FUJIFILM FUJINON-Z 43-75mm f/3.5-4.5

Jul 6, 2026

7 elements / 7 groups · 43-75mm marketed; 42.99-71.47mm computed · f/3.5-4.5

PANASONIC LUMIX G 25mm f/1.7 ASPH.

Jul 6, 2026

8 elements / 7 groups · f = 25.878 mm design / 25 mm nominal · F/1.760 design / f/1.7 nominal

PANASONIC LUMIX G FISHEYE 8mm f/3.5

Jul 6, 2026

10 ELEMENTS / 9 GROUPS · f = 7.850 mm patent / 8 mm marketed · F/3.5 marketed; patent F/2.951

PANASONIC LUMIX G VARIO 7-14mm f/4 ASPH.

Jul 6, 2026

16 elements / 12 groups · 7.2006-13.6229 mm patent EFL · f/4 constant-aperture Micro Four Thirds zoom

NIKON 1 NIKKOR 11-27.5mm f/3.5-5.6

Jul 4, 2026

11-27.5mm CX-format zoom · Patent f = 11.35-26.71 mm · f/3.5-5.6 marketed maximum aperture

NIKON 1 NIKKOR VR 10-100mm f/4-5.6

Jul 4, 2026

10-100mm marketed range · f/4-5.6 marketed maximum aperture · 19 elements / 12 groups

NIKON 1 NIKKOR VR 10-30mm f/3.5-5.6

Jul 4, 2026

12 ELEMENTS / 9 GROUPS · 10.3-29.1 mm patent design · f/3.5-5.6 marketed

NIKON AF ZOOM-NIKKOR 28-80mm f/3.3-5.6 G

Jul 4, 2026

6 production elements / 6 air-spaced groups · Negative-positive two-group zoom · Patent EFL 28.8-77.6 mm

NIKON AF ZOOM-NIKKOR 28-80mm f/3.5-5.6 D

Jul 4, 2026

8 elements / 8 air-spaced groups · 2 zoom groups: G1 (-) / G2 (+) · f = 28.8-78.0 mm (patent)

NIKON AF ZOOM-NIKKOR 28-85mm f/3.5-4.5

Jul 4, 2026

15 elements / 11 groups · computed f = 28.833-83.289 mm · production f/3.5-4.5; patent f/3.5-4.0

NIKON AI NIKKOR 24mm f/2

Jul 4, 2026

11 elements / 10 groups · f ≈ 24.0 mm · F/2

NIKON AI NIKKOR 28mm f/2.8S

Jul 4, 2026

8 elements / 8 groups · f = 28.610 mm · FNO = 2.89

NIKON AI NIKKOR 35mm f/1.4S

Jul 4, 2026

9 elements / 7 groups · 35.0 mm design EFL · f/1.4

CANON RF 16mm f/2.8 STM

Jul 3, 2026

9 elements / 7 groups · f = 16.49 mm design / 16 mm marketed · F/2.90 design / f/2.8 marketed

CANON RF 20mm f/1.4 L VCM

Jul 3, 2026

Official: 15 elements / 11 groups; BR layer modeled separately · Patent Example 2: 16 optical members / 11 groups · f = 20.598 mm design, 20 mm marketed

CANON RF 50mm f/1.4 L VCM

Jul 3, 2026

14 elements / 11 groups (15 material entries incl. resin cap) · f = 48.50 mm patent / 50 mm marketed · F/1.46 design / f/1.4 marketed

CANON NEW FD 100mm f/2

Jul 1, 2026

6 elements / 4 groups · f ≈ 100.00 mm · f/2

CANON NEW FD 14mm f/2.8 L

Jul 1, 2026

14 elements / 10 groups · f ≈ 14.0 mm · F/2.8

CANON NEW FD 150-600mm f/5.6L

Jul 1, 2026

Telephoto zoom, 150–600 mm f/5.6 · 19 elements / 15 groups · All-spherical prescription

KODAK AERO EKTAR 6 in f/3.5

Jun 30, 2026

6 ELEMENTS / 4 GROUPS · f = 152.58 mm · F/3.5

KODAK ENLARGING EKTAR 100mm f/4.5

Jun 30, 2026

5 ELEMENTS / 3 GROUPS · f ≈ 100.36 mm · F/4.5

KODAK WIDE-FIELD EKTAR 100mm f/6.3

Jun 30, 2026

4 elements / 4 groups · EFL 100.09 mm · f/6.3

KONICA HEXANON 38mm f/2.8 (Konica C35)

Jun 30, 2026

4 ELEMENTS / 3 GROUPS · f = 38mm nominal · F/2.8

KONICA HEXANON AR 35mm f/2.8

Jun 30, 2026

5 ELEMENTS / 5 GROUPS · f ≈ 35.00 mm · F/2.8

KONICA HEXAR 35mm f/2 (Konica Hexar AF)

Jun 30, 2026

7 elements / 6 groups · f = 34.99 mm · F/2.0

ENNA MÜNCHEN LITHAGON 24mm f/4

Jun 29, 2026

7 elements / 7 groups · f ≈ 24.0 mm · f/4

ENNA MÜNCHEN LITHAGON 35mm f/3.5

Jun 29, 2026

4 elements / 4 groups · f ≈ 35.0 mm · F/3.5

ENNA MÜNCHEN ULTRA-LITHAGON 28mm f/3.5

Jun 29, 2026

6 elements / 6 groups · f ≈ 28.00 mm · f/3.5

AGFA COLOR-MAGNOLAR II 100mm f/4.5

Jun 28, 2026

5 ELEMENTS / 3 GROUPS · f = 100.0 mm (scaled) · F/4.5

AGFA COLOR-TELINEAR 90mm f/4

Jun 28, 2026

5 elements / 3 groups · f ≈ 90.0 mm · F/4

AGFA SOLAGON 50mm f/2

Jun 28, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 50.08 mm · F/2

SONY FE 12-24mm f/2.8 GM

Jun 28, 2026

17 elements / 14 groups · f = 12.36-23.28 mm design · F/2.91 design, f/2.8 marketed

SONY FE 24mm f/1.4 GM

Jun 28, 2026

13 elements / 10 groups · f = 23.66 mm patent design · F/1.44 design aperture

SONY FE 24mm f/2.8 G

Jun 28, 2026

8 ELEMENTS / 7 GROUPS · Patent f = 24.710 mm · F/2.8 marketed; F/2.884 design

CANON 12.5-62.5mm f/2.0-3.9 (PowerShot G1 X Mark II)

Jun 26, 2026

14 elements / 11 groups · Patent table f = 12.84-60.72 mm · Gaussian paraxial EFL = 12.57-62.20 mm

CANON ZOOM LENS 15-45mm f/2.8-5.6 (PowerShot G1 X Mark III)

Jun 26, 2026

9 elements / 8 groups · 15-45mm f/2.8-5.6 · Patent f = 15.45-43.70mm

CANON ZOOM LENS 8.8-36.8mm f/1.8-2.8 (PowerShot G7 X)

Jun 26, 2026

Patent f=9.06-35.69 mm · Marketed 8.8-36.8 mm · f/1.8-2.8

NIKON AF DX FISHEYE-NIKKOR 10.5mm f/2.8G ED

Jun 26, 2026

10 elements / 7 groups · Patent f = 10.565 mm; marketed 10.5 mm · Patent FNO = 2.88; marketed f/2.8

NIKON AF MICRO-NIKKOR 200mm f/4D IF-ED

Jun 26, 2026

13 ELEMENTS / 8 GROUPS · f = 200.1457 mm · F/4.0

CANON POWERSHOT G1 X 15.1-60.4mm f/2.8-5.8

Jun 25, 2026

11 elements / 10 groups · Patent f = 15.57-58.93 mm · Marketed 15.1-60.4 mm

NIKON AF ZOOM-NIKKOR 35-70mm f/2.8D

Jun 25, 2026

15 elements / 12 groups · 35-70mm f/2.8 · Patent EFL 36.0-68.5 mm

RODENSTOCK RODAGON-WA 80mm f/4

Jun 25, 2026

6 elements / 4 groups · f ≈ 79.95 mm (d-line) · f/4; stops to f/22

RODENSTOCK ROGONAR-S 50mm f/2.8

Jun 25, 2026

4 ELEMENTS / 3 GROUPS · f = 50.0 mm · f/2.8

RODENSTOCK SIRONAR-N 100mm f/5.6

Jun 25, 2026

6 elements / 4 groups · f′ = 99.998 mm, e-line · 1:5.8 patent aperture; f/5.6 marketed

RODENSTOCK APO-SIRONAR-W 150mm f/5.6

Jun 25, 2026

150mm marketed / 148.7mm design · f/5.6 · 8 elements / 5 groups in reconstructed table

RODENSTOCK GERONAR 210mm f/6.8

Jun 25, 2026

3 elements / 3 groups · f' = 210.10 mm (d-line) · f/6.8

RODENSTOCK GRANDAGON-N 65mm f/4.5

Jun 25, 2026

8 ELEMENTS / 4 GROUPS · f′ = 65 mm; EFL ≈ 64.83 mm · F/4.5

RODENSTOCK GRANDAGON-N 75mm f/4.5

Jun 25, 2026

8 elements / 4 groups · f′ = 75 mm · 1:4.5

RODENSTOCK GRANDAGON-N 75mm f/6.8

Jun 25, 2026

6 ELEMENTS / 4 GROUPS · f = 75 mm · F/6.8

RODENSTOCK GRANDAGON-N 90mm f/4.5

Jun 25, 2026

8 ELEMENTS / 4 GROUPS · f′ = 90 mm patent example · F/4.5

CANON TS-E 135mm f/4L MACRO

Jun 23, 2026

11 elements / 7 groups · f = 132.97 mm design (135 mm marketed) · F/4.05 design (f/4 marketed)

CANON TS-E 50mm f/2.8L MACRO

Jun 23, 2026

12 elements / 9 groups · f = 51.40 mm design · F/2.88 design; marketed f/2.8

CANON TS-E 90mm f/2.8L MACRO

Jun 23, 2026

11 elements / 9 groups · Patent f = 55.986 mm; scaled ×1.60754 · Computed scaled EFL ≈ 89.96 mm

PENTAX SMC PENTAX-A★ 135mm f/1.8

Jun 22, 2026

7 elements / 6 groups · f = 134.99 mm · F/1.8

PENTAX SMC PENTAX-A★ 200mm f/4 MACRO ED

Jun 22, 2026

10 elements / 9 groups · f = 199.98 mm design · F/4

PENTAX SMC PENTAX-FA 28mm f/2.8 Soft

Jun 22, 2026

5 elements / 5 groups · f = 28 mm · F/2.8 nominal; patent F.No. 1:2.9

OLYMPUS F.ZUIKO AUTO-T 200mm f/5

Jun 21, 2026

6 elements / 5 groups · f ≈ 200.02 mm · F/5

OLYMPUS OM-SYSTEM ZUIKO AUTO-ZOOM 65-200mm f/4

Jun 21, 2026

14 elements / 11 groups · f = 66.923-194.149 mm design · Computed F/4.24 design aperture; f/4 marketed

OLYMPUS ZUIKO AUTO-ZOOM 85-250mm f/5

Jun 21, 2026

15 elements / 11 groups · 85-250mm · f/5 constant aperture

OLYMPUS G.ZUIKO AUTO-W 21mm f/3.5

Jun 21, 2026

7 ELEMENTS / 7 GROUPS · f ≈ 21.00 mm · F/3.5

OLYMPUS ZUIKO 9-36mm f/2-2.4 (Olympus E-10 / E-20)

Jun 21, 2026

14 powered elements / 11 powered groups · f = 9.200-35.500 mm patent design · F/2.007-2.328 patent design

OLYMPUS ZUIKO AUTO-FISHEYE 8mm f/2.8

Jun 21, 2026

Patent Example 1: 10 elements / 6 groups · Production correlation: 8mm f/2.8 OM circular fisheye · 180° field, 23 mm circular image

Nikon AI Zoom-Nikkor 35-200mm f/3.5-4.5S

Jun 19, 2026

17 elements / 13 groups · f = 36.23-194.85 mm computed · F/3.5-4.5 nominal

Nikon AI Zoom-Nikkor 35–105mm f/3.5–4.5S

Jun 19, 2026

16 elements / 12 groups · 35–105 mm · f/3.5–4.5

Nikon AI Zoom-Nikkor 360-1200mm f/11 ED

Jun 19, 2026

20 elements / 12 groups · 360-1200 mm · f/11 constant aperture

NIKON SERIES E 100mm f/2.8

Jun 19, 2026

4 elements / 4 groups · f = 100.02 mm · F/2.8

NIKON SERIES E 135mm f/2.8

Jun 19, 2026

4 ELEMENTS / 4 GROUPS · f ≈ 135.1 mm · F/2.8

NIKON W-NIKKOR 35mm f/1.8

Jun 19, 2026

7 elements / 5 groups · f = 35.005 mm · F/1.8

NIKON AF ZOOM-MICRO NIKKOR ED 70-180mm f/4.5-5.6D

Jun 18, 2026

18 elements / 14 groups · Patent f = 82.4-194.0 mm · Patent F/4.14-5.73

Nikon AI Zoom-Nikkor 25-50mm f/4

Jun 18, 2026

25-50 mm f/4 · 11 elements / 10 groups · Two-group negative-positive wide-angle zoom

Nikon AI Zoom-Nikkor 50-135mm f/3.5S

Jun 18, 2026

16 elements / 13 groups · 51.35-131.5 mm design EFL · f/3.5 constant aperture

Nikon AI-S Zoom-Nikkor 35–70mm f/3.5

Jun 18, 2026

10 elements / 9 groups · f = 36.02–68.79 mm design; marketed 35–70 mm · F/3.5 constant aperture

Canon FD 24mm f/2.8 S.S.C.

Jun 17, 2026

24mm f/2.8 · 9 elements / 8 groups · 84° diagonal field

Canon FD 28mm f/2.8 S.C.

Jun 17, 2026

7 elements / 7 groups · 28 mm · F/2.8

Canon FD 300mm f/4 S.S.C.

Jun 17, 2026

6 elements / 6 groups · f ≈ 299.5 mm · F/4

Nikon AF Nikkor 20mm f/2.8D

Jun 16, 2026

20mm · f/2.8 · 94° FX

Nikon AF Nikkor 28mm f/2.8D

Jun 16, 2026

6 elements / 6 groups · f = 28.60 mm · F/2.86 design

Nikon AF-S NIKKOR 24mm f/1.8G ED

Jun 16, 2026

12 elements / 9 groups · 24 mm f/1.8 marketed · f = 24.423 mm design

Nikon AI Micro-Nikkor 105mm f/2.8S

Jun 16, 2026

10 elements / 9 groups · f = 105.003 mm · F/2.8

FUJIFILM FUJINON XF 23mm f/1.4 R LM WR

Jun 15, 2026

15 elements / 10 groups · Patent f = 23.62 mm scaled to 23.00 mm · F1.4 nominal / patent FNo 1.44

FUJIFILM FUJINON XF 23mm f/2 R WR

Jun 15, 2026

10 elements / 6 groups · f = 22.377 mm design; 23 mm marketed · F2.06 design; F2 marketed

FUJIFILM FUJINON XF 23mm f/2.8 R WR

Jun 15, 2026

23mm · f/2.8 · 8 elements / 6 groups

FUJIFILM FUJINON XF 16-55mm f/2.8 R LM WR II

Jun 15, 2026

16 elements / 11 groups · f = 16.50–53.40 mm patent design · F2.8 marketed / F2.88 design

FUJIFILM FUJINON XF 33mm f/1.4 R LM WR

Jun 15, 2026

33 mm APS-C standard prime · 15 elements / 10 groups · 3 ED elements / 2 aspherical elements

FUJIFILM FUJINON XF 56mm f/1.2 R WR

Jun 15, 2026

13 elements / 8 groups · f = 54.453 mm design; 56 mm marketed · F1.2 marketed; FNo. 1.24 design

SIGMA 10-18mm f/2.8 DC DN | Contemporary

Jun 13, 2026

13 elements / 10 groups · 10.30-17.50 mm design EFL · F2.8 marketed; F2.92 patent

SIGMA 16.6mm f/4 (Sigma DP1x)

Jun 13, 2026

6 elements / 5 groups · f = 16.6 mm (design 16.67 mm) · F4 (design F4.02)

SIGMA 16mm f/1.4 DC DN | Contemporary

Jun 13, 2026

16 elements / 13 groups · f = 16.446 mm design; 16 mm marketed · F/1.46 design; F1.4 marketed

SIGMA 35mm f/1.4 DG HSM | Art

Jun 12, 2026

13 elements / 11 groups · f = 35.16 mm design · F1.45 design / F1.4 marketed

SIGMA 45mm f/2.8 DG DN | Contemporary

Jun 12, 2026

8 elements / 7 groups · f = 43.93 mm design / 45 mm marketed · F2.90 design / F2.8 marketed

SIGMA 50mm f/1.4 DG HSM | Art

Jun 12, 2026

13 elements / 8 groups · f = 49.58 mm design · F1.4 nominal / F1.46 design

SIGMA 17-40mm f/1.8 DC | Art

Jun 11, 2026

17 elements / 11 groups · 4 SLD / 4 aspherical elements · f = 17.55–38.70 mm design

SIGMA 23mm f/1.4 DC DN | Contemporary

Jun 11, 2026

13 elements / 10 groups · f = 22.31 mm design; 23 mm marketed · F1.46 design; F1.4 marketed

SIGMA 30mm f/1.4 DC HSM | Art

Jun 11, 2026

9 elements / 8 groups · f = 30.785 mm design · F1.4 marketed / F1.46 design

CANON EF 20-35mm f/2.8 L

Jun 10, 2026

15 elements / 12 groups · 20.6-34.0 mm design zoom · f/2.8

CANON EF 24-70mm f/2.8 L USM

Jun 10, 2026

16 elements / 13 groups · 24.90-68.14 mm patent design · f/2.8 nominal; F2.92 design

CANON SERENAR 100mm f/3.5 I

Jun 10, 2026

100mm · f/3.5 · 5 elements / 4 groups

PENTAX DA 21mm f/3.2 AL Limited

Jun 9, 2026

8 elements / 5 groups · f = 21.60 mm design; 21 mm nominal · F3.2 marketed; F3.3 patent design

PENTAX DA 35mm f/2.8 Macro Limited

Jun 9, 2026

9 elements / 8 groups · 35 mm marketed; 34.41 mm patent EFL · f/2.8 marketed; 1:2.88 patent FNO

PENTAX DA 70mm f/2.4 Limited

Jun 9, 2026

6 elements / 5 groups · 70 mm (scaled from patent f=67.74) · f/2.4 nominal; patent FNO 1:2.5

PENTAX HD D FA 21mm f/2.4 ED Limited DC WR

Jun 9, 2026

11 elements / 8 groups · f = 21.32 mm design · F2.4 nominal / F2.45 design

PENTAX HD D FA* 50mm f/1.4 SDM AW

Jun 9, 2026

15 elements / 9 groups · f = 49.57 mm design · F1.45 design / F1.4 nominal

PENTAX HD D FA* 85mm f/1.4 ED SDM AW

Jun 9, 2026

12 elements / 10 groups · f = 83.41 mm design; 85 mm marketed · F1.46 design; F1.4 marketed

MINOLTA AF 28-75mm f/2.8 (D)

Jun 9, 2026

28-75mm f/2.8 · 16 elements / 14 groups · 4 hybrid aspherical surfaces

MINOLTA AF 28mm f/2

Jun 9, 2026

9 elements / 9 groups · f = 28.0 mm · F2.0

MINOLTA AF Reflex 500mm f/8

Jun 9, 2026

500 mm f/8 fixed · f = 495.97 mm patent EFL · f/7.07 area-equivalent annular design aperture

PANASONIC LEICA DG SUMMILUX 12mm f/1.4 ASPH.

Jun 8, 2026

15 elements / 12 groups · 12 mm nominal; f = 11.9795 mm design · F1.4 nominal; F1.45 design

PANASONIC LUMIX G 14mm f/2.5 II ASPH

Jun 8, 2026

6 elements / 5 groups · f = 14.5456 mm design; 14 mm nominal · F2.5 nominal; F2.521 design

PANASONIC LEICA DG NOCTICRON 42.5mm f/1.2 ASPH POWER O.I.S.

Jun 8, 2026

14 elements / 11 groups · f = 41.6508 mm patent; 42.5 mm marketed · F1.2 marketed; F1.284 patent

OLYMPUS ZUIKO DIGITAL ED 12-60mm f/2.8-4.0 SWD

Jun 7, 2026

12-60mm Four Thirds standard zoom · Patent f = 12.33 / 26.62 / 58.81mm · f/2.8-4.0; 7-blade circular diaphragm

OLYMPUS ZUIKO DIGITAL ED 14-35mm f/2.0 SWD

Jun 7, 2026

18 elements / 17 groups · 14–35 mm f/2.0 marketed; 14.22–34.28 mm patent · Four Thirds mount and format

OLYMPUS ZUIKO DIGITAL ED 150mm f/2.0

Jun 7, 2026

11 elements / 9 groups · f = 149.50 mm patent EFL · F/2.0

SIGMA 24mm f/1.4 DG DN | Art

Jun 6, 2026

17 elements / 14 groups · f = 23.86 mm patent / 24 mm nominal · F1.46 design / F1.4 nominal

SIGMA 28-45mm f/1.8 DG DN | Art

Jun 6, 2026

18 elements / 15 groups · 28.84-43.66 mm design EFL · F1.8 marketed; F1.86 patent design

SIGMA 60mm f/2.8 DN | Art

Jun 6, 2026

8 elements / 6 groups · f = 60.00 mm patent design · F2.8 marketed; F2.92 design

OLYMPUS M.ZUIKO DIGITAL 14-42mm f/3.5-5.6 II R

Jun 5, 2026

8 elements / 7 groups · 14-42mm f/3.5-5.6 · Patent EFL 14.27-41.18mm

OLYMPUS M.ZUIKO DIGITAL 17mm f/2.8

Jun 5, 2026

6 elements / 4 groups · f = 17 mm (design 17.30 mm) · f/2.8 (design F/2.897)

OLYMPUS M.ZUIKO DIGITAL ED 12mm f/2.0

Jun 5, 2026

11 elements / 8 production groups (9 patent groups) · f = 12.187 mm design · F/2.051 design / f/2.0 nominal

NIKON REFLEX-NIKKOR 1000mm f/11

Jun 4, 2026

5 elements / 5 groups · f ≈ 1001.4 mm · Fixed f/11

NIKON REFLEX-NIKKOR 500mm f/8 (New)

Jun 4, 2026

6 elements / 6 groups · f = 499.482 mm · F/6.7 geometric; f/8 effective

NIKON REFLEX-NIKKOR·C 500mm f/8

Jun 4, 2026

500 mm nominal focal length · f/8 marketed, F/7 geometric prescription · 5 elements / 3 groups

LEICA ELMAR-M 135mm f/4

Jun 4, 2026

5 elements / 3 groups · f ≈ 134.5 mm · F/4

LEICA ELMARIT-M 135mm f/2.8

Jun 4, 2026

5 elements / 4 groups · f ≈ 135.1 mm · F/2.8

LEICA ELMARIT-TL 18mm f/2.8 ASPH.

Jun 4, 2026

8 GLASS ELEMENTS / 6 GROUPS · f = 18.4556 mm design · F/2.904 design (f/2.8 nominal)

FUJIFILM FUJINON GF 100-200mm f/5.6 R LM OIS WR

Jun 3, 2026

20 elements / 13 groups · f = 101.68–203.35 mm (patent) · F5.6 nominal / F5.70 design

FUJIFILM FUJINON GF 35-70mm f/4.5-5.6 WR

Jun 3, 2026

11 elements / 9 groups · f=35-70mm; design EFL 36.05-67.89mm · F4.5-5.6 variable maximum aperture

FUJIFILM FUJINON GF 45-100mm f/4 R LM OIS WR

Jun 3, 2026

17 elements / 12 groups (patent) · Production lens: 16 elements / 12 groups · f = 45.95-97.96 mm (computed)

NIKON AI NIKKOR 35mm f/2

Jun 2, 2026

35 mm · f/2 · 8 elements / 6 groups

NIKON AI NIKKOR 45mm f/2.8 P

Jun 2, 2026

4 elements / 3 groups · f ≈ 45.0 mm · f/2.8 (patent FNO 2.88)

NIKON AI-S NIKKOR 50mm f/1.2

Jun 2, 2026

7 elements / 6 groups · f = 51.6 mm design / 50 mm nominal · F1.2

NIKON AF-S NIKKOR 24-120mm f/4 G ED VR

Jun 1, 2026

17 elements / 13 groups · 24-120 mm f/4 FX standard zoom · US 2010/0220400 A1 Example 1: f = 24.70 / 45.75 / 116.39 mm

NIKON AF-S NIKKOR 24-70mm f/2.8 G ED

Jun 1, 2026

24-70mm f/2.8 marketed; f=24.78-67.70mm, FNO=2.91 design · 15 elements / 11 groups production count · 16 modeled optical media including replicated resin asphere layer

NIKON AF-S NIKKOR 70-200mm f/2.8 G ED VR II

Jun 1, 2026

70-200 mm f/2.8 FX telephoto zoom · Patent design: f = 71.40-196.00 mm, FNO = 2.89 · 21 elements / 16 groups; 7 ED elements

SIGMA 105mm f/1.4 DG HSM | Art

May 31, 2026

17 elements / 12 groups · f = 101.85 mm design · F1.46 design / f/1.4 nominal

SIGMA 14-24mm f/2.8 DG HSM | Art

May 31, 2026

17 elements / 11 groups · 14.50-23.15 mm design · F2.93 design / F2.8 marketed

SIGMA 20mm f/1.4 DG HSM | Art

May 31, 2026

15 elements / 11 groups · Patent f = 20.69 mm · Patent F1.46; marketed F1.4

SIGMA APO Macro 105mm f/2.8 EX DG OS HSM

May 30, 2026

16 elements / 11 groups · 105 mm marketed; 101.71 mm design · F2.8 marketed; F2.91 design

SIGMA APO MACRO 150mm f/2.8 EX DG OS HSM

May 30, 2026

19 elements / 13 groups · f = 149.99 mm design / 150 mm nominal · F2.92 design / F2.8 nominal

SIGMA APO Macro 180mm f/2.8 EX DG OS HSM

May 30, 2026

19 elements / 14 groups · 180 mm f/2.8 marketed; 174.60 mm f/2.92 design · 0.47 m MFD / 1:1 macro

SONY FE 28-70mm f/3.5-5.6 OSS

May 29, 2026

28-70mm f/3.5-5.6 · 9 elements / 8 groups · 3 aspherical elements / 5 aspherical surfaces

SONY FE 70-200mm f/2.8 GM OSS

May 29, 2026

23 elements / 18 groups · 70-200 mm marketed; 72.10-193.99 mm design · F2.8 marketed; F2.88 patent design

SONY FE 70-200mm f/4 G OSS

May 29, 2026

21 elements / 15 groups · 70–200mm f/4 marketed · 72.10–193.97mm patent EFL

SONY E 18-55mm f/3.5-5.6 OSS

May 28, 2026

11 elements / 9 groups · 18-55mm f/3.5-5.6 marketed · Patent EFL 18.49 / 27.38 / 53.51mm

SONY E 30mm f/3.5 Macro

May 28, 2026

30 mm f/3.5 APS-C E-mount · JP 2012-159613 A Example 1 · 7 elements / 6 groups; 9 modeled optical media

SONY E 35mm f/1.8 OSS

May 28, 2026

8 elements / 6 groups · f = 34.914 mm · F1.861 design

LEICA ELMARIT-R 35mm f/2.8

May 27, 2026

7 elements / 5 groups · f ≈ 35.1 mm · 1:2.8

LEICA MACRO-ELMARIT-R 60mm f/2.8

May 27, 2026

6 elements / 5 groups · f = 61.4 mm design, 60 mm nominal · F/2.8

LEICA SUMMICRON-R 50mm f/2

May 27, 2026

6 elements / 4 groups · 52.5 mm design focal length · f/2

MINOLTA AF APO Tele 200mm f/2.8

May 26, 2026

200mm f/2.8 · 8 elements / 7 groups · 2ω = 12° in patent; 12°30′ manufacturer angle of view

MINOLTA AF APO TELE 300mm f/2.8

May 26, 2026

Patent Example 8: f = 295.0 mm, FN = 2.9 · Marketed as 300mm f/2.8 · 10 prescription elements / 8 groups

MINOLTA AF Zoom 35-70mm f/4

May 26, 2026

6 components / 6 air-spaced groups · 7 modeled optical media including hybrid resin layer · 36.0-68.2 mm patent design range

NIKON AF-P DX NIKKOR 18-55mm f/3.5-5.6 G VR

May 25, 2026

12 elements / 9 groups (manufacturer count) · 13 modeled optical material bodies · f = 18.50–53.40 mm patent design

NIKON AF-S DX NIKKOR 55-200mm f/4-5.6 G ED VR II

May 25, 2026

13 elements / 9 groups · f = 56.61-194.07 mm design · F/4.12-5.78 design

NIKON AF-S DX NIKKOR 55-300mm f/4.5-5.6 G ED VR

May 25, 2026

17 elements / 11 groups · 56.09-293.90 mm design EFL · f/4.5-5.6 marketed maximum aperture

CANON EF-S 10-22mm f/3.5-4.5 USM

May 24, 2026

13 elements / 10 groups · 10-22mm f/3.5-4.5 · APS-C EF-S

CANON EF-S 18-55mm f/3.5-5.6 IS

May 24, 2026

11 elements / 9 groups · Design f = 18.693-53.300 mm · Patent Fno = 3.63-5.86

CANON EF-S 55-250mm f/4-5.6 IS STM

May 24, 2026

15 elements / 12 groups · 55-250mm f/4-5.6 marketed; 56.80-241.32mm patent design · APS-C / Canon EF-S

PENTAX SMC 67 Macro 100mm f/4

May 23, 2026

6 elements / 4 groups · f = 99.97 mm · F/4

PENTAX SMC A 645 45mm f/2.8

May 23, 2026

45mm f/2.8 · 9 elements / 8 groups · 76° on 645 film

PENTAX SMC FA 645 120mm f/4 Macro

May 23, 2026

9 elements / 7 groups · 120 mm marketed; 123.09 mm patent EFL · F4 marketed; F3.8 patent design aperture

CARL ZEISS B-DISTAGON 35mm f/4 (Contarex)

May 22, 2026

7 elements / 4 groups · f = 35 mm · F/4

CARL ZEISS DISTAGON T* 28mm f/2

May 22, 2026

9 elements / 8 groups · f = 28.8 mm design · f/2 marketed; f/2.1 patent

CARL ZEISS DISTAGON T* 35mm f/2 (Zeiss ZX1)

May 22, 2026

8 elements / 5 groups · f = 35.000 mm · F/2.0

CARL ZEISS JENA BIOGON 35mm f/2.8 (pre-war)

May 22, 2026

7 elements / 4 groups · f = 35.0 mm · f/2.8

CARL ZEISS TOUIT MAKRO-PLANAR T* 50mm f/2.8 Macro

May 22, 2026

14 elements / 11 groups · f' = 51.52 mm patent design · FNo. = 2.88 patent design

SONY FE 14mm f/1.8 GM

May 22, 2026

14 elements / 11 groups · f = 14.42 mm design · F/1.85 design (marketed F/1.8)

SONY FE 16-35mm f/2.8 GM II

May 22, 2026

15 elements / 12 groups · 6 zoom groups: - + + + - + · f = 16.49-33.95 mm design

SONY FE 28mm f/2

May 22, 2026

9 elements / 8 groups · f = 28.23 mm patent design · F2.0 marketed / F2.06 patent

CANON EF 8-15mm f/4 L Fisheye USM

May 21, 2026

14 elements / 11 groups · 8-15 mm marketed; 8.05-15.14 mm design · f/4 marketed; F/4.12 patent design

CANON EF 100mm f/2.8 L Macro IS USM

May 21, 2026

15 elements / 12 groups · f = 99.996 mm design · F/2.92 design, f/2.8 marketed

CANON EF 200mm f/2 L IS USM

May 21, 2026

17 elements / 12 groups incl. filter; 16 powered elements rendered · f = 194.991 mm design; 200 mm marketed · F/2.05 design; f/2.0 marketed

CANON EF 24-70mm f/2.8 L II USM

May 21, 2026

18 elements / 13 groups · 24-70 mm f/2.8 marketed; 24.70-67.88 mm F/2.91 patent design · 3 aspherical elements / 4 aspherical surfaces

CANON EF 70-200mm f/2.8 L IS II USM

May 21, 2026

23 elements / 19 groups · Patent f = 72.14-193.97 mm · Patent FNO = 2.9; marketed f/2.8

CANON EF 70-300mm f/4-5.6 L IS USM

May 21, 2026

19 elements / 14 groups · 72.20–290.00 mm design EFL · f/4.20–5.86 design aperture

NIKON 1 NIKKOR 10mm f/2.8

May 20, 2026

6 elements / 5 groups · f = 10.300 mm patent; 10 mm marketed · f/2.8 marketed; FNO 2.92 design

NIKON 1 NIKKOR 32mm f/1.2

May 20, 2026

9 elements / 7 groups · f = 32.402 mm design · F/1.24 design; f/1.2 marketed

NIKON AF-S NIKKOR 20mm f/1.8 G ED

May 20, 2026

13 elements / 11 groups · f = 20.600 mm design EFL · F/1.86 design, f/1.8 marketed

NIKON AF-S NIKKOR 24mm f/1.4 G ED

May 20, 2026

12 glass elements / 10 groups · Patent f = 24.68 mm · Patent FNO = 1.43

NIKON AF-S NIKKOR 28-300mm f/3.5-5.6 G ED VR

May 20, 2026

28-300mm FX superzoom · 19 glass elements / 14 production groups · 2 ED elements / 3 marketed aspherical elements

NIKON AI NIKKOR 180mm f/2.8 ED

May 20, 2026

5 elements / 5 groups · f = 180.00 mm, scaled from patent f = 100 · f/2.8, all-spherical

NIKON AI NIKKOR 28mm f/3.5

May 20, 2026

6 elements / 6 groups · f ≈ 28.00 mm · f/3.5

NIKON FISHEYE-NIKKOR 6mm f/2.8

May 20, 2026

12 elements / 9 groups · 6 mm circular fisheye · F/2.8

NIKON FISHEYE-NIKKOR 6mm f/5.6

May 20, 2026

9 elements / 6 groups · f ≈ 6.00 mm · F/5.6

NIKON Fuwatto Soft 90mm f/4.8

May 20, 2026

1 group / 2 elements · f = 90.63 mm computed; 90 mm marketed · f/4.8 fixed aperture

NIKON Gugutto Macro 120mm f/4.5

May 20, 2026

3 elements / 2 groups · 120mm f/4.5 fixed aperture · US5764425 Example 4 scaled ×1.2

NIKON Gyogyotto 20mm f/8

May 20, 2026

3 elements / 2 groups · f = 20.0 mm (scaled from patent f = 100) · f/8 marketed; f/8.25 design

FUJIFILM FUJINON GF 20-35mm f/4 R WR

May 19, 2026

14 elements / 10 groups · f = 20.60-33.99 mm design; 20-35 mm marketed · F/4 nominal; patent FNo. 4.08-4.11

FUJIFILM FUJINON GF 23mm f/4 R LM WR

May 19, 2026

Patent Example 1: 14 elements / 11 groups · Production lens: 15 elements / 12 groups · f = 23.69 mm patent; 23 mm marketed

FUJIFILM FUJINON GF 30mm f/5.6 T/S

May 19, 2026

16 elements / 11 groups · 30.90 mm design EFL · F5.6 nominal / F5.76 design

FUJIFILM FUJINON GF 32-64mm f/4 R LM WR

May 19, 2026

14 lens elements / 11 groups · 5 moving zoom groups: + - + - + · f = 32.94-62.23 mm patent design

FUJIFILM FUJINON GF 45mm f/2.8 R WR

May 19, 2026

11 elements / 8 groups · f = 44.690 mm patent; 45 mm marketed · F/2.88 patent; F2.8 marketed

FUJIFILM FUJINON GF 55mm f/1.7 R WR

May 19, 2026

55mm f/1.7 · 14 elements / 10 groups · 2 aspherical + 2 ED elements

FUJIFILM FUJINON 35mm f/4 (Fujifilm GFX100RF)

May 19, 2026

10 elements / 8 groups · f = 34.846 mm · FNo = 4.12

FUJIFILM SUPER EBC FUJINON 45mm f/4 (Fujifilm GA645W/GA645Wi Professional)

May 19, 2026

7 elements / 5 groups · 45mm f/4 · 2ω = 75.2° patent field

FUJIFILM SUPER EBC FUJINON 60mm f/4 (Fujifilm GA645 Professional)

May 19, 2026

7 elements / 6 groups · f = 59.998 mm (patent f=100 scaled ×0.6) · f/4

FUJIFILM FUJINON 18.5mm f/2.8 (Fujifilm X70)

May 18, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 19.1 mm · F/2.88

FUJIFILM FUJINON 23mm f/2 (Fujifilm X100)

May 18, 2026

8 ELEMENTS / 6 GROUPS · f ≈ 23.7 mm · F/2.0

FUJIFILM FUJINON 23mm f/2 (Fujifilm X100V)

May 18, 2026

8 ELEMENTS / 6 GROUPS · f ≈ 23.7 mm · F/2.06

OLYMPUS F.ZUIKO 35mm f/2.8 (Olympus XA)

May 18, 2026

6 ELEMENTS / 5 GROUPS · f ≈ 35.0 mm · F/2.8

OLYMPUS OM ZUIKO 16mm f/3.5 Fisheye

May 18, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 16.0 mm · F/3.5

OLYMPUS E.ZUIKO AUTO-T 135mm f/3.5

May 17, 2026

5 ELEMENTS / 4 GROUPS · f ≈ 135.0 mm · F/3.5

OLYMPUS M.ZUIKO DIGITAL 17mm f/1.8

May 17, 2026

17mm f/1.8 · Patent f = 17.30 mm / FNO = 1.716 · 9 elements / 6 groups

OLYMPUS M.ZUIKO DIGITAL ED 12-100mm f/4.0 IS PRO

May 17, 2026

12-100mm f/4.0 · Patent f=12.36-97.98mm, F/4.08 · 17 elements / 11 groups

OLYMPUS OM J. ZUIKO AUTO-W 24mm f/2

May 17, 2026

10 ELEMENTS / 8 GROUPS · f ≈ 24.0 mm · F/2.0

SCHNEIDER-KREUZNACH APO-SYMMAR 100mm f/5.6

May 16, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 103.0 mm (d-line) · F/5.6

SCHNEIDER-KREUZNACH SUPER-ANGULON 75mm f/5.6

May 16, 2026

8 ELEMENTS / 4 GROUPS · f ≈ 75.1 mm · F/5.6

SCHNEIDER-KREUZNACH SUPER-SYMMAR XL 110mm f/5.6 ASPHERIC

May 16, 2026

6 ELEMENTS / 5 GROUPS (PATENT) · f ≈ 110.6 mm (e-line) · F/5.6

SONY FE 24-70mm f/2.8 GM II

May 16, 2026

20 ELEMENTS / 15 GROUPS · f = 24.72–67.90 mm · F/2.91 (constant)

SONY FE 28-70mm f/2 GM

May 16, 2026

20 ELEMENTS / 14 GROUPS · f = 28.86–67.87 mm · F/2.06

SONY FE 70-200mm f/2.8 GM OSS II

May 16, 2026

17 ELEMENTS / 14 GROUPS · f = 72.1–194.0 mm · F/2.88

LAOWA 15mm f/4 Wide Angle 1:1 Macro

May 15, 2026

12 ELEMENTS / 9 GROUPS · f = 16.00 mm · F/4.1

LAOWA 12mm f/2.8 Zero-D

May 15, 2026

16 elements / 10 groups · Design f = 12.4999 mm · Design Fno = 2.87

LAOWA 15mm f/2 Zero-D

May 15, 2026

Patent Example 1 · 12 elements / 9 groups · f = 15.505 mm design

LAOWA 24mm f/14 2× Macro Probe

May 15, 2026

27 ELEMENTS / 19 GROUPS · f ≈ 23.7 mm · F/14

LAOWA 58mm f/2.8 2× Ultra-Macro APO

May 15, 2026

14 ELEMENTS / 11 GROUPS · f ≈ 59.2 mm · F/2.9

LAOWA 65mm f/2.8 2× Ultra Macro APO

May 15, 2026

14 ELEMENTS / 10 GROUPS · f ≈ 66.0 mm (design) / 65 mm (marketed) · F/2.9 (design) / F/2.8 (marketed)

MINOLTA AF 100mm f/2.8 Macro

May 14, 2026

8 elements / 8 groups · f = 100.0 mm design · F/2.83 design; marketed f/2.8

MINOLTA AF 35-105mm f/3.5-4.5 New (v2)

May 14, 2026

35-105 mm full-frame A-mount zoom · Patent f = 36.0-60.0-102.0 mm · 13 optical media / 10 groups (12 production elements)

MINOLTA AF 70-200mm f/2.8 APO G (D) SSM

May 14, 2026

Patent Example 1: 19 elements / 15 air-spaced optical clusters · Production class: 70-200mm f/2.8 A-mount · Patent f = 71.8 / 105.0 / 195.0 mm; Fno = 2.88

CANON EF-M 22mm f/2 STM

May 13, 2026

7 elements / 6 groups · f = 21.79 mm design / 22 mm marketed · F2.05 design / f/2 marketed

CANON EF-M 28mm f/3.5 Macro IS STM

May 13, 2026

Canon EF-M / APS-C · Patent f = 27.74 mm; recomputed f = 27.76 mm · F/3.61 design; f/3.5 marketed

CANON EF-M 32mm f/1.4 STM

May 13, 2026

14 elements / 8 groups · f = 32.34 mm design · F/1.45 design; f/1.4 marketed

CANON EF-S 10-18mm f/4.5-5.6 IS STM

May 13, 2026

14 ELEMENTS / 11 GROUPS · f = 10.30–17.46 mm · F/4.64–5.71

CANON EF-S 17-55mm f/2.8 IS USM

May 13, 2026

21 ELEMENTS (19 GLASS + 2 RESIN) / 12 GROUPS · f = 17.50–53.44 mm · F/2.9 (marketed f/2.8)

CANON EF-S 24mm f/2.8 STM

May 13, 2026

6 ELEMENTS / 5 GROUPS · f ≈ 24.5 mm · F/2.8

NIKON AF-P DX NIKKOR 10-20mm f/4.5-5.6 G VR

May 12, 2026

10-20 mm DX zoom · 14 elements / 11 groups; 3 aspherical elements · Patent f = 10.310 / 14.992 / 19.394 mm

NIKON AF-P DX NIKKOR 70-300mm f/4.5-6.3 G ED VR

May 12, 2026

70-300 mm marketed; 72.1-292.1 mm patent · f/4.5-6.3 marketed; f/4.707-6.494 patent · 14 elements / 10 construction groups

NIKON AF-P NIKKOR 70-300mm f/4.5-5.6 E ED VR

May 12, 2026

18 elements / 14 groups · Patent design f=72.10-292.01 mm · Marketed 70-300 mm f/4.5-5.6

NIKON NIKKOR Z DX 16-50mm f/3.5-6.3 VR

May 12, 2026

9 ELEMENTS / 7 GROUPS · f = 16.46–48.50 mm · F/3.56–6.36

NIKON NIKKOR Z DX 18-140mm f/3.5-6.3 VR

May 12, 2026

17 ELEMENTS / 13 GROUPS · f = 18.5–135.8 mm (design) · F/3.5–6.3

NIKON NIKKOR Z DX 50-250mm f/4.5-6.3 VR

May 12, 2026

Production: 50-250 mm, f/4.5-6.3 · Patent Example 1: f = 51.50-242.80 mm · 16 elements / 12 groups

HASSELBLAD HC 210mm f/4

May 11, 2026

10 ELEMENTS / 6 GROUPS · f ≈ 210.0 mm · F/4.0

HASSELBLAD HC 300mm f/4.5

May 11, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 292.0 mm · F/4.66

HASSELBLAD HC 50mm f/3.5

May 11, 2026

10 ELEMENTS / 9 GROUPS · f ≈ 50.0 mm · F/3.5

LEICA APO-VARIO-ELMARIT-SL 90-280mm f/2.8-4

May 11, 2026

23 ELEMENTS / 7 GROUPS (17 SUB-GROUPS) · f = 92.3–272.9 mm · F/2.91–4.11

SIGMA 14mm f/4 (Sigma dp0 Quattro)

May 11, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 13.97 mm · F/4.13

SIGMA 85mm f/1.4 DG HSM | Art

May 11, 2026

14 ELEMENTS / 12 GROUPS · f ≈ 83.4 mm · F/1.46

LEICA APO-MACRO-ELMARIT-TL 60mm f/2.8 ASPH.

May 10, 2026

10 ELEMENTS / 9 GROUPS · f ≈ 60.0 mm · F/2.8

OLYMPUS M.ZUIKO DIGITAL ED 12-40mm f/2.8 PRO

May 10, 2026

14 ELEMENTS / 9 GROUPS · f = 12.25–39.10 mm · F/2.88 CONSTANT

OLYMPUS M.ZUIKO DIGITAL ED 40-150mm f/2.8 PRO

May 10, 2026

16 ELEMENTS / 10 GROUPS · f = 40.81–147.00 mm (3.60×) · F/2.88 (CONSTANT)

PANASONIC LEICA DG SUMMILUX 15mm f/1.7 ASPH

May 10, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 15.5 mm · F/1.77

PANASONIC LEICA DG SUMMILUX 25mm f/1.4 ASPH

May 10, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 25.0 mm · F/1.44

PANASONIC LEICA DG SUMMILUX 9mm f/1.7 ASPH

May 10, 2026

12 ELEMENTS / 9 GROUPS · f ≈ 9.35 mm · F/1.77

HASSELBLAD HC 150mm f/3.2

May 9, 2026

9 ELEMENTS / 8 GROUPS · f ≈ 150 mm · F/3.2

HASSELBLAD HC 80mm f/2.8

May 9, 2026

6 ELEMENTS / 6 GROUPS · f ≈ 80.0 mm · F/2.8

HASSELBLAD HC Macro 120mm f/4

May 9, 2026

9 ELEMENTS / 9 GROUPS · f ≈ 118.7 mm · F/4.0

HASSELBLAD XCD 120mm f/3.5 Macro

May 9, 2026

10 ELEMENTS / 7 GROUPS · f = 120.0 mm · F/3.5

HASSELBLAD XCD 65mm f/2.8

May 9, 2026

10 ELEMENTS / 6 GROUPS · f ≈ 65.0 mm · F/2.8

HASSELBLAD XCD 90mm f/2.5 V

May 9, 2026

9 ELEMENTS / 6 GROUPS · f ≈ 90.0 mm · F/2.5

FUJIFILM FUJINON GF 110mm f/2 R LM WR

May 8, 2026

14 ELEMENTS / 9 GROUPS · f ≈ 108.5 mm · F/2

FUJIFILM FUJINON GF 120mm f/4 R LM OIS WR Macro

May 8, 2026

14 ELEMENTS / 9 GROUPS · f ≈ 116.4 mm · F/4.12

FUJIFILM FUJINON GF 80mm f/1.7 R WR

May 8, 2026

12 ELEMENTS / 9 GROUPS · f ≈ 78.7 mm · F/1.75

SONY FE 20-70mm f/4 G

May 8, 2026

16 ELEMENTS / 13 GROUPS · f = 20.71–67.56 mm · F/4.12 (constant)

SONY PLANAR T* 50mm f/1.4 ZA SSM

May 8, 2026

8 ELEMENTS / 5 GROUPS · f = 51.5 mm · F/1.45

SONY PLANAR T* FE 50mm f/1.4 ZA

May 8, 2026

12 ELEMENTS / 9 GROUPS · f ≈ 50.3 mm · F/1.4

PANASONIC LUMIX S 20-60mm f/3.5-5.6

May 7, 2026

11 ELEMENTS / 9 GROUPS · f = 20.8–57.6 mm · F/3.57–5.81

PENTAX 110 24mm f/2.8

May 7, 2026

6 ELEMENTS / 5 GROUPS · f ≈ 24.0 mm · F/2.8

PENTAX 110 50mm f/2.8

May 7, 2026

5 ELEMENTS / 5 GROUPS · f ≈ 50.0 mm · F/2.8

PENTAX DA* 16-50mm f/2.8 ED AL[IF] SDM

May 6, 2026

15 ELEMENTS / 12 GROUPS · f = 16.48–48.50 mm (2.94×) · F/2.8 (constant)

PENTAX DA* 50-135mm f/2.8 ED [IF] SDM

May 6, 2026

18 ELEMENTS / 14 GROUPS · f = 51.5–131.0 mm (patent) / 50–135 mm (marketing) · F/2.8 (constant)

PENTAX F 85mm f/2.8 Soft

May 6, 2026

5 ELEMENTS / 4 GROUPS · f ≈ 85.0 mm · F/2.8

SIGMA 40mm f/1.4 DG HSM | Art

May 6, 2026

16 ELEMENTS / 12 GROUPS · f ≈ 41.2 mm · F/1.4

VOIGTLÄNDER APO-LANTHAR 180mm f/4 SL Close Focus

May 6, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 197.9 mm (patent) / 180 mm (marketed) · F/4

VOIGTLÄNDER MACRO APO-LANTHAR 125mm f/2.5 SL

May 6, 2026

10 ELEMENTS / 9 GROUPS · f = 125.0 mm · F/2.5

CANON EF 40mm f/2.8 STM

May 5, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 39.0 mm · F/2.8

MINOLTA MD ROKKOR 45mm f/2

May 5, 2026

6 ELEMENTS / 5 GROUPS · f ≈ 45.0 mm · F/2.0

MINOLTA MD ROKKOR 50mm f/1.4

May 5, 2026

7 ELEMENTS / 6 GROUPS · f ≈ 50.0 mm · F/1.4

MINOLTA VARISOFT ROKKOR 85mm f/2.8

May 5, 2026

6 ELEMENTS / 5 GROUPS · f ≈ 85.0 mm (production) · 100.0 mm (patent) · F/2.8

PANASONIC LUMIX S 35mm f/1.8

May 4, 2026

11 ELEMENTS / 9 GROUPS · f ≈ 33.8 mm · F/1.8

PANASONIC LUMIX S PRO 50mm f/1.4

May 4, 2026

13 ELEMENTS / 11 GROUPS · f ≈ 49.0 mm · F/1.4

PENTAX FA 31mm f/1.8 AL Limited

May 4, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 31.8 mm · F/1.8

SIGMA 30mm f/2.8 (Sigma DP2 Merrill)

May 4, 2026

8 ELEMENTS / 6 GROUPS · f ≈ 29.6 mm · F/2.8

SIGMA 50mm f/1.4 DG DN | Art

May 4, 2026

14 ELEMENTS / 11 GROUPS · f = 48.72 mm · F/1.45

VIVITAR SERIES 1 70-210mm f/2.8-4 VMC

May 4, 2026

14 ELEMENTS / 10 GROUPS · f = 72.1–203.8 mm · F/2.89–4.01

SONY SONNAR T* E 24mm f/1.8 ZA

May 3, 2026

8 ELEMENTS / 7 GROUPS · f ≈ 23.3 mm · F/1.8

SONY SONNAR T* FE 35mm f/2.8 ZA

May 3, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 36.1 mm · F/2.8

SONY SONNAR T* FE 55mm f/1.8 ZA

May 3, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 53.6 mm · F/1.8

SONY FE 135mm f/1.8 GM

May 2, 2026

13 ELEMENTS / 10 GROUPS · f ≈ 131.0 mm · F/1.854

SONY FE 85mm f/1.4 GM II

May 2, 2026

14 ELEMENTS / 11 GROUPS · f ≈ 82.5 mm · F/1.46

SIGMA 35mm f/1.4 DG DN | Art

May 1, 2026

15 ELEMENTS / 11 GROUPS · f ≈ 33.72 mm (35 mm marketed) · F/1.4

SIGMA 85mm f/1.4 DG DN | Art

May 1, 2026

15 ELEMENTS / 11 GROUPS · f ≈ 82.96 mm (design) · F/1.4 (F/1.46 design)

CANON FD 50mm f/1.2 L

Apr 30, 2026

8 ELEMENTS / 6 GROUPS · f ≈ 50.0 mm · F/1.2

NIKON NIKKOR 35mm f/2.8 (Nikon 35Ti)

Apr 30, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 35.0 mm · F/2.8 (design F/2.88)

SIGMA 24mm f/2.8 (Sigma DP2x)

Apr 30, 2026

7 ELEMENTS / 6 GROUPS · f ≈ 24.1 mm · F/2.8

SIGMA 50mm f/2.8 (Sigma DP3 Merrill)

Apr 30, 2026

10 ELEMENTS / 8 GROUPS · f ≈ 48.7 mm · F/2.91 (design)

CARL ZEISS JENA TESSAR 50mm f/2.8

Apr 29, 2026

4 ELEMENTS / 3 GROUPS · f ≈ 50.0 mm · F/2.8

CARL ZEISS TESSAR 50mm f/3.5

Apr 29, 2026

4 ELEMENTS / 3 GROUPS · f ≈ 50.0 mm · F/3.5

SONY FE 90mm f/2.8 Macro G OSS

Apr 29, 2026

15 ELEMENTS / 11 GROUPS · f ≈ 92.6 mm · F/2.8

CARL ZEISS OLYMPIA-SONNAR 180mm f/2.8

Apr 28, 2026

4 ELEMENTS / 4 GROUPS · f ≈ 180.1 mm · F/2.8

CARL ZEISS PRO-TESSAR 35mm f/3.2

Apr 28, 2026

8 ELEMENTS / 6 GROUPS · f = 35.0 mm · F/3.2

FUJIFILM FUJINON XF 18mm f/2 R

Apr 28, 2026

8 ELEMENTS / 7 GROUPS · f ≈ 18.8 mm · F/2.06

FUJIFILM FUJINON XF 23mm f/1.4 R

Apr 28, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 23.7 mm · F/1.4

NIKON NIKKOR-S AUTO 50mm f/1.4

Apr 27, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 50.0 mm · F/1.4

OLYMPUS OM ZUIKO AUTO-W 21mm f/2

Apr 27, 2026

11 ELEMENTS / 9 GROUPS · f ≈ 21 mm (marketed) / 28.5 mm (computed) · F/2.0

OLYMPUS ZUIKO AUTO-MACRO 50mm f/2

Apr 27, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 50.0 mm · F/2.0

OLYMPUS ZUIKO AUTO-MACRO 90mm f/2

Apr 27, 2026

9 ELEMENTS / 9 GROUPS · f ≈ 90.0 mm · F/2.0

CARL ZEISS CONTAREX PLANAR 55mm f/1.4

Apr 26, 2026

7 ELEMENTS / 5 GROUPS · f = 55.0 mm · F/1.4

CARL ZEISS JENA PANCOLAR 50mm f/2

Apr 26, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 50.6 mm · F/2.0

CARL ZEISS PLANAR T* 50mm f/1.4

Apr 26, 2026

7 ELEMENTS / 6 GROUPS · f ≈ 50.0 mm · F/1.4

OLYMPUS ZUIKO AUTO-T 85mm f/2

Apr 26, 2026

5 ELEMENTS / 4 GROUPS · f ≈ 85.0 mm · F/2

NIKON PC NIKKOR 19mm f/4 E ED

Apr 25, 2026

17 ELEMENTS / 13 GROUPS (18 physical) · f ≈ 19.4 mm · F/4.08 (design) / F/4 (marketed)

NIKON PC-E MICRO-NIKKOR 45mm f/2.8 D ED

Apr 25, 2026

9 ELEMENTS / 8 GROUPS · f ≈ 41.2 mm (design) · 45 mm (marketed) · F/2.8

NIKON PC-E NIKKOR 24mm f/3.5 D ED

Apr 25, 2026

13 ELEMENTS / 10 GROUPS · f ≈ 24.6 mm · F/3.5

OLYMPUS G.ZUIKO AUTO-S 50mm f/1.4

Apr 24, 2026

7 ELEMENTS / 6 GROUPS · f ≈ 50.0 mm · F/1.4

OLYMPUS G.ZUIKO AUTO-S 55mm f/1.2

Apr 24, 2026

7 ELEMENTS / 6 GROUPS · f ≈ 55.0 mm · F/1.2

OLYMPUS ZUIKO AUTO-S 50mm f/1.2

Apr 24, 2026

7 ELEMENTS / 6 GROUPS · f ≈ 50.0 mm · F/1.2

CARL ZEISS HOLOGON 15mm f/8 (Contarex Hologon / Leica M)

Apr 24, 2026

3 ELEMENTS / 3 GROUPS · f ≈ 15.0 mm · F/8.0 (FIXED)

NIKON AF-S NIKKOR 24-70mm f/2.8 E ED VR

Apr 23, 2026

20 ELEMENTS / 16 GROUPS · f = 24–70 mm · F/2.8

NIKON AF-S NIKKOR 70-200mm f/2.8 E FL ED VR

Apr 23, 2026

22 ELEMENTS / 18 GROUPS · f = 70–200 mm (design 71.5–196.0 mm) · F/2.8 (design F/2.9)

NIKON AF-S NIKKOR 80-400mm f/4.5-5.6 G ED VR

Apr 23, 2026

20 ELEMENTS / 12 GROUPS · f = 80–400 mm (design 81.6–392.0 mm) · F/4.5–5.6

CANON RF 24-105mm f/2.8 L IS USM Z

Apr 23, 2026

23 ELEMENTS / 18 GROUPS · f = 24.78–102.06 mm · F/2.9 (constant)

CARL ZEISS BIOGON 21mm f/4.5

Apr 23, 2026

8 ELEMENTS / 5 GROUPS · f ≈ 19.0 mm (design) · F/4.5

CARL ZEISS DISTAGON T* 35mm f/1.4

Apr 23, 2026

9 ELEMENTS / 8 GROUPS · f ≈ 36.5 mm · F/1.4

CANON RF 50mm f/1.2 L USM

Apr 22, 2026

15 ELEMENTS / 9 GROUPS · f ≈ 51.1 mm (marketed 50 mm) · F/1.25 (marketed F/1.2)

CANON RF 85mm f/1.2 L USM

Apr 22, 2026

14 ELEMENTS / 9 GROUPS · f ≈ 86.5 mm · F/1.24

VOIGTLÄNDER NOKTON 35mm f/1.2 Aspherical

Apr 22, 2026

10 ELEMENTS / 7 GROUPS · f ≈ 35.8 mm · F/1.24

CANON RF 24-105mm f/4 L IS USM

Apr 21, 2026

18 ELEMENTS / 14 GROUPS · f = 24.72 – 101.84 mm · F/4.12 (design)

NIKON NIKKOR Z 40mm f/2

Apr 21, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 41.2 mm · F/2.04

RICOH GR LENS 18.3mm f/2.8 (Ricoh GR / GR II)

Apr 21, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 18.3 mm · F/2.8

RICOH GR LENS A12 28mm f/2.5 (Ricoh GXR A12)

Apr 21, 2026

8 ELEMENTS / 6 GROUPS · f = 18.28 mm (28 mm equiv.) · F/2.56

CANON EF 50mm f/1.0 L USM

Apr 20, 2026

11 ELEMENTS / 9 GROUPS · f ≈ 50.0 mm · F/1.0

CANON RF 85mm f/2 Macro IS STM

Apr 20, 2026

12 ELEMENTS / 11 GROUPS · f ≈ 82.4 mm · F/2.06

FUJIFILM FUJINON XF 35mm f/1.4 R

Apr 19, 2026

8 ELEMENTS / 6 GROUPS · f ≈ 36.17 mm · F/1.45

FUJIFILM FUJINON XF 60mm f/2.4 R Macro

Apr 19, 2026

10 ELEMENTS / 8 GROUPS · f = 61.06 mm (design) · F/2.48 (design) · F/2.4 (marketed)

LEICA ELMARIT 90mm f/2.8

Apr 18, 2026

5 ELEMENTS / 3 GROUPS · f ≈ 90.1 mm · F/2.8

LEICA ELMARIT-R 28mm f/2.8

Apr 18, 2026

8 ELEMENTS / 6 GROUPS · f = 28 mm (e-line trace ≈ 29.2 mm) · F/2.8

CANON RF 24-50mm f/4.5-6.3 IS STM

Apr 17, 2026

8 ELEMENTS / 8 GROUPS · f ≈ 24.7–48.5 mm · F/4.63–6.48

NIKON 35mm f/2.8 (Nikon L35AF)

Apr 17, 2026

5 ELEMENTS / 4 GROUPS · f ≈ 35.0 mm · F/2.8

NIKON NIKKOR Z 24-50mm f/4-6.3

Apr 17, 2026

11 ELEMENTS / 10 GROUPS · f = 24.7–48.5 mm · F/4.08–6.34

NIKON NIKKOR Z 35mm f/1.2 S

Apr 17, 2026

17 ELEMENTS / 15 GROUPS · f = 34.4 mm (patent) · 35 mm (marketed) · F/1.23 (patent) · F/1.2 (marketed)

FUJIFILM FUJINON XF 16-55mm f/2.8 R LM WR

Apr 16, 2026

17 ELEMENTS / 12 GROUPS · f = 16.5 – 53.4 mm (PATENT) / 16 – 55 mm (MARKETED) · F/2.88 – F/2.74 – F/2.89 (PATENT); F/2.8 CONSTANT (MARKETED)

FUJIFILM FUJINON XF 16-80mm f/4 R OIS WR

Apr 16, 2026

16 ELEMENTS / 12 GROUPS · f = 16.5–77.8 mm · F/4

FUJIFILM FUJINON XF 200mm f/2 R LM OIS WR

Apr 16, 2026

19 ELEMENTS / 14 GROUPS · f = 200 mm (200.0 marketed, 194.01 design) · F/2

FUJIFILM FUJINON XF 50-140mm f/2.8 R LM OIS WR

Apr 16, 2026

23 ELEMENTS / 16 GROUPS · f = 50–140 mm (design 51.52–135.96 mm) · F/2.8 CONSTANT

CANON RF 24-240mm f/4-6.3 IS USM

Apr 16, 2026

21 ELEMENTS / 15 GROUPS · f ≈ 24.7–232.8 mm · F/4.12–6.41

CANON RF 28-70mm f/2 L USM

Apr 16, 2026

19 ELEMENTS / 13 GROUPS · f = 28.9 – 67.9 mm (patent) · F/2.06 (constant)

CANON RF 28-70mm f/2.8 IS STM

Apr 16, 2026

15 ELEMENTS / 12 GROUPS · f = 28.80–67.90 mm (2.36×) · F/2.88–2.92

NIKON NIKKOR Z 24-120mm f/4 S

Apr 15, 2026

16 ELEMENTS / 13 GROUPS · f = 24.70 – 116.50 mm · F/4.00 – F/4.12

NIKON NIKKOR Z 14-30mm f/4 S

Apr 14, 2026

14 ELEMENTS / 12 GROUPS · f = 14.42–29.10 mm · F/4.0 (CONSTANT)

NIKON NIKKOR Z 24-200mm f/4-6.3 VR

Apr 14, 2026

19 ELEMENTS / 15 GROUPS · f = 24.7–194.0 mm (design) · F/4.12–6.50 (design)

NIKON NIKKOR Z 24-70mm f/4 S

Apr 14, 2026

14 ELEMENTS / 11 GROUPS · f = 24.72 – 67.91 mm (2.75× zoom) · F/4.0 (constant)

NIKON AF-S NIKKOR 120-300mm f/2.8 E FL ED SR VR

Apr 13, 2026

25 ELEMENTS / 19 GROUPS · f = 123.6–291.0 mm (patent) · F/2.91 (constant)

NIKON AF-S NIKKOR 14-24mm f/2.8 G ED

Apr 13, 2026

15 ELEMENTS / 11 GROUPS · f = 14.4–23.8 mm · F/2.88

NIKON AF-S NIKKOR 16-35mm f/4 G ED VR

Apr 13, 2026

17 ELEMENTS / 12 GROUPS · f = 16.48–33.94 mm · F/4.1 CONSTANT

NIKON AF-S NIKKOR 200-500mm f/5.6 E ED VR

Apr 13, 2026

19 ELEMENTS / 12 GROUPS · f = 205–487 mm · F/5.62–5.78 (optical); F/5.6 (marketed)

CANON SERENAR 28mm f/3.5

Apr 10, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 28.0 mm · F/3.5

CANON SERENAR 35mm f/3.2

Apr 10, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 35.0 mm · F/3.2 (design F/3.0)

CANON SERENAR 50mm f/1.8

Apr 10, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 50.0 mm · F/1.8

CANON SERENAR 85mm f/1.5

Apr 10, 2026

7 ELEMENTS / 4 GROUPS · f ≈ 85.0 mm · F/1.5

NIKON NIKKOR 28mm f/2.8 (Nikon 28Ti)

Apr 10, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 28.9 mm · F/2.87

NIKON NIKKOR-N AUTO 28mm f/2

Apr 10, 2026

9 ELEMENTS / 8 GROUPS · f ≈ 27.8 mm (design) · F/2.0

VOIGTLÄNDER NOKTON 50mm f/1.2 X-Mount

Apr 10, 2026

9 ELEMENTS / 8 GROUPS · f ≈ 48.5 mm · F/1.23

LEICA APO-SUMMICRON 43mm f/2 ASPH. (Leica Q3 43)

Apr 9, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 41.7 mm · F/2.06

LEICA APO-SUMMICRON-M 35mm f/2 ASPH.

Apr 9, 2026

10 ELEMENTS / 5 GROUPS · f ≈ 34.8 mm (d-line) · F/2.0

LEICA ELCAN 50mm f/2

Apr 9, 2026

4 ELEMENTS / 4 GROUPS · f ≈ 50.0 mm · F/2.0

LEICA SUMMICRON-M 50mm f/2

Apr 9, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 50.0 mm · F/2.0

LEICA SUMMILUX 28mm f/1.7 ASPH. (Leica Q, Q2, Q3)

Apr 9, 2026

11 ELEMENTS / 9 GROUPS · f ≈ 27.08 mm · F/1.76

FUJIFILM FUJINON XF 56mm f/1.2 R

Apr 8, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 56.99 mm · F/1.25

FUJIFILM FUJINON XF 90mm f/2 R LM WR

Apr 8, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 87.5 mm (marketed 90 mm) · F/2.06 (marketed F/2.0)

VIVITAR SERIES 1 35-85mm f/2.8 VMC

Apr 8, 2026

12 ELEMENTS / 9 GROUPS · f ≈ 38.5–89.1 mm (patent: 36–83 mm) · F/2.8

CANON FD 35mm f/2 S.S.C. (I)

Apr 7, 2026

35mm f/2 · 9 elements / 8 groups · Floating focus

NIKON AI NIKKOR 135mm f/2

Apr 7, 2026

6 elements / 4 groups · Ai Nikkor 135mm f/2 (1977–2005) · f = 100 mm patent (×1.35 → 135 mm production)

NIKON AI NIKKOR 135mm f/2.8

Apr 7, 2026

5 elements / 4 groups · f/2.8–f/32 · 7 blades · MFD 1.3 m · 52 mm filter

VIVITAR SERIES 1 200mm f/3.0 VMC

Apr 7, 2026

6 elements / 6 groups · Sonnar-type telephoto with fixed rear corrector · All-spherical design

CANON New FD 50mm f/1.2

Apr 1, 2026

7 elements / 6 groups · 46° field of view · MFD 0.5 m

NIKON NIKKOR Z 35mm f/1.8 S

Mar 31, 2026

35mm · f/1.8 · 11 elements / 9 groups

NIKON NIKKOR-N 5cm f/1.1

Mar 31, 2026

9 elements / 6 groups · Modified double-Gauss · All-spherical

CANON RF 15-35mm f/2.8 L IS USM

Mar 30, 2026

16 elements / 12 groups · 3 aspherical elements (6 surfaces) · 2 UD elements

NIKON NIKKOR Z 14-24mm f/2.8 S

Mar 30, 2026

16 ELEMENTS / 11 GROUPS · f = 14.4–23.3 mm (patent) / 14–24 mm (production) · F/2.91 (constant)

CANON RF 24-70mm f/2.8 L IS USM

Mar 27, 2026

21 ELEMENTS / 15 GROUPS · f = 24.7–67.9 mm · F/2.91

CANON RF 70-200mm f/2.8 L IS USM

Mar 27, 2026

17 ELEMENTS / 7 ZOOM GROUPS · f = 72.13–194.06 mm · F/2.89–2.91

NIKON AF-S VR MICRO-NIKKOR 105mm f/2.8 G IF-ED

Mar 27, 2026

14 elements / 12 groups · 1 ED element (S-FPL51) · All-spherical

NIKON NIKKOR Z 100-400mm f/4.5-5.6 VR S

Mar 27, 2026

25 elements / 20 groups · 6 ED + 2 Super ED · All spherical

CANON RF 135mm f/1.8 L IS USM

Mar 26, 2026

17 ELEMENTS / 12 GROUPS · f ≈ 130.9 mm · F/1.86

RICOH GR LENS 26.1mm f/2.8 (Ricoh GR IIIx)

Mar 26, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 26.1 mm · F/2.8

CANON RF 100mm f/2.8 L MACRO IS USM

Mar 26, 2026

17 ELEMENTS / 13 GROUPS · f ≈ 100.8 mm · F/2.92

VOIGTLÄNDER ULTRON Vintage Line 28mm f/2 Aspherical

Mar 26, 2026

10 ELEMENTS / 7 GROUPS · f = 28.50 mm · F/2.0

VOIGTLÄNDER ULTRON 50mm f/2

Mar 26, 2026

6 ELEMENTS / 5 GROUPS · f ≈ 50.0 mm · F/2.0

NIKON NIKKOR Z 58mm f/0.95 S Noct

Mar 26, 2026

17 ELEMENTS / 10 GROUPS · f ≈ 59.6 mm · F/0.95 (design F/0.98)

NIKON AF NIKKOR 28mm f/1.4 D

Mar 26, 2026

11 ELEMENTS / 8 GROUPS · f ≈ 28.6 mm · F/1.4

NIKON NIKKOR Z 28mm f/2.8

Mar 25, 2026

9 ELEMENTS / 8 GROUPS · f ≈ 28.8 mm · F/2.8

NIKON AF-S NIKKOR 28mm f/1.4 E ED

Mar 25, 2026

14 ELEMENTS / 11 GROUPS · f ≈ 28.4 mm · F/1.45

NIKON NIKKOR Z 85mm f/1.8 S

Mar 25, 2026

12 ELEMENTS / 8 GROUPS · f ≈ 83.0 mm (patent) · 85 mm (production) · F/1.85 (patent) · F/1.8 (production)

NIKON AI NIKKOR 85mm f/1.4 S

Mar 25, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 85.0 mm · F/1.4

NIKON AF NIKKOR 85mm f/1.4 D IF

Mar 25, 2026

9 ELEMENTS / 8 GROUPS · f = 85.0 mm · F/1.4

NIKON AF-S NIKKOR 58mm f/1.4 G

Mar 24, 2026

9 ELEMENTS / 5 GROUPS (patent) · 6 GROUPS (production) · f ≈ 58.0 mm · F/1.4

NIKON AF-S NIKKOR 85mm f/1.4 G

Mar 24, 2026

10 ELEMENTS / 9 GROUPS · f = 85.0 mm · F/1.4

NIKON AF-S MICRO-NIKKOR 60mm f/2.8 G ED

Mar 23, 2026

12 ELEMENTS / 9 GROUPS · f ≈ 58.0 mm (patent) / 60 mm (production) · F/2.88

FUJIFILM FUJINON XF 80mm f/2.8 R LM OIS WR Macro

Mar 23, 2026

16 elements / 12 groups · 1 aspherical (2 surfaces) · 1 Super ED + 3 ED

NIKON NIKKOR Z 26mm f/2.8

Mar 23, 2026

8 ELEMENTS / 4 GROUPS · f = 26.78 mm · F/2.8

NIKON NIKKOR Z 135mm f/1.8 S Plena

Mar 23, 2026

16 ELEMENTS / 14 GROUPS · f ≈ 132.3 mm · F/1.85

NIKON NIKKOR Z MC 105mm f/2.8 VR S

Mar 23, 2026

16 ELEMENTS / 11 GROUPS · f ≈ 102.9 mm · F/2.89

NIKON NIKKOR Z 24-70mm f/2.8 S

Mar 23, 2026

17 ELEMENTS / 15 GROUPS · f = 24.8–67.9 mm · F/2.92

NIKON NIKKOR Z 70-200mm f/2.8 VR S

Mar 21, 2026

21 ELEMENTS / 18 GROUPS · f = 71.5–196 mm · F/2.88

RICOH GR LENS 18.3mm f/2.8 (Ricoh GR IV)

Mar 20, 2026

7 ELEMENTS / 5 GROUPS · f ≈ 18.35 mm · F/2.89

RICOH GR LENS 18.3mm f/2.8 (Ricoh GR III)

Mar 20, 2026

6 ELEMENTS / 4 GROUPS · f ≈ 18.3 mm (28 mm equiv.) · F/2.87

RICOH GR LENS 28mm f/2.8 (Ricoh GR1)

Mar 20, 2026

7 ELEMENTS / 4 GROUPS · f ≈ 28.1 mm · F/2.86

NIKON NIKKOR Z 50mm f/1.2 S

Mar 20, 2026

17 ELEMENTS / 15 GROUPS · f = 51.29 mm · F/1.23

NIKON NIKKOR-N Auto 24mm f/2.8

Mar 20, 2026

9 ELEMENTS / 7 GROUPS · f ≈ 24.0 mm · F/2.8

CARL ZEISS JENA SONNAR 50mm f/1.5

Mar 19, 2026

7 ELEMENTS / 3 GROUPS · f ≈ 50.2 mm · F/1.5

CARL ZEISS JENA SONNAR 50mm f/2

Mar 19, 2026

6 ELEMENTS / 3 GROUPS · f ≈ 50.0 mm (scaled from 100mm patent) · F/2.0

CARL ZEISS JENA TESSAR 144mm f/5.5

Mar 19, 2026

4 ELEMENTS / 3 GROUPS · f ≈ 144 mm (scaled from normalized patent) · F/5.5

VOIGTLÄNDER HELIAR (Symmetric) f/4

Mar 19, 2026

5 ELEMENTS / 3 GROUPS · f = 100 (normalized) · F/4.0

NIKON AF-S NIKKOR 105mm f/1.4 E ED

Mar 19, 2026

14 ELEMENTS / 9 GROUPS · f ≈ 102.1 mm · F/1.45

NIKON NIKKOR Z 50mm f/1.8 S

Mar 18, 2026

12 elements / 9 groups · EFL 51.6 mm · f/1.85

FUJIFILM FUJINON XF 50mm f/1.0 R WR

Mar 18, 2026

12 elements / 9 groups · 1 aspherical element (2 aspherical surfaces) · 2 ED elements

VOIGTLÄNDER APO-LANTHAR 50mm f/2.0 Aspherical

Mar 18, 2026

10 ELEMENTS / 8 GROUPS · f ≈ 49.3 mm · F/1.93

VOIGTLÄNDER NOKTON 50mm f/1.0

Mar 18, 2026

9 ELEMENTS / 7 GROUPS · f = 49.998 mm · F/1.0