Lens Library

Showing 648 of 648 interactive optical cross-section diagrams built from patent data.

Agfa(3)

European imaging company whose Agfa and later Agfa-Gevaert brands spanned photographic chemicals, film, cameras, projectors, and medical and graphic imaging systems, with a consumer-camera legacy centered on compact 35 mm cameras and Agfa-branded taking lenses.

AGFA COLOR-MAGNOLAR II 100mm f/4.5— 5 ELEMENTS / 3 GROUPS, f = 100.0 mm (scaled)AGFA COLOR-TELINEAR 90mm f/4— 5 elements / 3 groups, f ≈ 90.0 mmAGFA SOLAGON 50mm f/2— 6 ELEMENTS / 4 GROUPS, f ≈ 50.08 mm

Canon(111)

Japan's largest camera and lens manufacturer, whose EF and RF mount systems redefined autofocus and optical engineering across four decades of professional and consumer photography.

CANON 12.5-62.5mm f/2.0-3.9 (PowerShot G1 X Mark II)— 14 elements / 11 groups, Patent table f = 12.84-60.72 mmCANON 50mm f/1.2— 7 ELEMENTS / 5 GROUPS, 50 mm (DESIGN 50.513 mm)CANON 50mm f/2.8— 4 ELEMENTS / 3 GROUPS, EFL 50.0499 mmCANON EF 100-300mm f/4.5-5.6 USM— 13 ELEMENTS / 10 GROUPS, 100-300mm MARKETEDCANON EF 100-300mm f/5.6— 15 ELEMENTS / 9 GROUPS, 100-300mm f/5.6 (MARKETED)CANON EF 100-400mm f/4.5-5.6 L IS II USM— 21 ELEMENTS / 16 GROUPS, PATENT ZOOM POINTS 102.79-389.03 mmCANON EF 100-400mm f/4.5-5.6 L IS USM— 17 ELEMENTS / 14 PHYSICAL GROUPS, PATENT f = 102.68 / 161.53 / 389.19 mmCANON EF 100mm f/2.8 L Macro IS USM— 15 elements / 12 groups, f = 99.996 mm designCANON EF 100mm f/2.8 Macro— 10 ELEMENTS / 9 GROUPS, 100mm f/2.8 (marketed)CANON EF 11-24mm f/4 L USM— 16 elements / 11 groups, 11-24 mm f/4 marketed; 11.33-23.28 mm F/4.12 patent designCANON EF 135mm f/2 L USM— 10 ELEMENTS / 8 GROUPS, 135 mm f/2 (marketing)CANON EF 135mm f/2.8 Soft Focus— 7 ELEMENTS / 6 GROUPS, 135.043 mm DESIGN EFLCANON EF 14mm f/2.8 L USM— 14 ELEMENTS / 10 GROUPS, f = 14.201 mmCANON EF 15mm f/2.8 Fisheye— 8 ELEMENTS / 7 GROUPS, PATENT F = 15.3 mmCANON EF 180mm f/3.5 L Macro USM— 14 ELEMENTS / 12 GROUPS, 180mm f/3.5 MARKETEDCANON EF 20-35mm f/2.8 L— 15 elements / 12 groups, 20.6-34.0 mm design zoomCANON EF 200-400mm f/4 L IS USM EXTENDER 1.4×— 24 ELEMENTS / 19 GROUPS (PATENT ACTIVE; REAR FILTER EXCLUDED), 200–400mm f/4 MARKETEDCANON EF 200mm f/1.8 L USM— 10 POWERED ELEMENTS / 8 GROUPS (PATENT CORE), f ≈ 200.017 mmCANON EF 200mm f/2 L IS USM— 17 elements / 12 groups incl. filter; 16 powered elements rendered, f = 194.991 mm design; 200 mm marketedCANON EF 20mm f/2.8 USM— 11 elements / 9 groups, Patent EFL 20.498624 mm; retained at printed scaleCANON EF 24-70mm f/2.8 L II USM— 18 elements / 13 groups, 24-70 mm f/2.8 marketed; 24.70-67.88 mm F/2.91 patent designCANON EF 24-70mm f/2.8 L USM— 16 elements / 13 groups, 24.90-68.14 mm patent designCANON EF 24mm f/1.4 L II USM— 13 ELEMENTS / 10 GROUPS, f = 24.539 mm (DESIGN)CANON EF 24mm f/1.4 L USM— 11 ELEMENTS / 9 GROUPS, PATENT f = 24.6 mm, F/1.45, 2ω = 82.7°CANON EF 28-105mm f/3.5-4.5 II USM— 15 ELEMENTS / 12 GROUPS, PATENT EFL 28.903-101.333 mmCANON EF 28-105mm f/4-5.6— 10 ELEMENTS / 9 GROUPS, PATENT 28.91-101.32mmCANON EF 28-135mm f/3.5-5.6 IS USM— 16 elements / 12 groups, 28-135mm f/3.5-5.6 marketed; 28.891-131.182mm patent designCANON EF 28-200mm f/3.5-5.6 USM— 16 GLASS SUBSTRATES / 12 GROUPS, DESIGN 28.92-193.14 mmCANON EF 28-70mm f/3.5-4.5 II— 10 ELEMENTS / 9 GROUPS, DESIGN EFL 29.083-67.894 mmCANON EF 28-80mm f/3.5-5.6 II— 10 ELEMENTS / 10 GROUPS, COMPUTED EFL 28.9689-76.9612 mmCANON EF 28-90mm f/4-5.6 II USM— 10 elements / 8 air-spaced groups, 28-90mm f/4-5.6CANON EF 28mm f/2.8— 5 ELEMENTS / 5 GROUPS, f = 28.219 mm (MODELED)CANON EF 28mm f/2.8 IS USM— 9 ELEMENTS / 7 GROUPS, DESIGN f = 28.60 mmCANON EF 300mm f/2.8 L IS USM— 15 ACTIVE ELEMENTS / 11 GROUPS, MODELED EFL ≈ 293.600 mmCANON EF 35mm f/1.4 L USM— 11 ELEMENTS / 9 GROUPS, 35 mm MARKETED / 34.2948 mm DESIGNCANON EF 400mm f/2.8 L IS II USM— 15 ACTIVE ELEMENTS / 11 GROUPS (G FILTER EXCLUDED), PATENT f = 392.15 mm; COMPUTED EFL 392.2607 mmCANON EF 400mm f/2.8 L IS III USM— 16 active elements / 12 groups (rear filter omitted), Patent f = 392.00 mm; traced EFL = 391.938 mmCANON EF 400mm f/2.8 L IS USM— 400mm f/2.8 (marketed), Patent f = 392.15 mm, F/2.9CANON EF 400mm f/4 DO IS USM— US 2002/0015231 A1 — Example 1, 15 modeled elements / 11 active groupsCANON EF 40mm f/2.8 STM— 6 ELEMENTS / 4 GROUPS, f ≈ 39.0 mmCANON EF 500mm f/4 L IS USM— 15 MODELED ELEMENTS / 11 GROUPS, PATENT f = 490.56 mm; ARRAY EFL ≈ 491.36 mmCANON EF 50mm f/1.0 L USM— 11 ELEMENTS / 9 GROUPS, f ≈ 50.0 mmCANON EF 600mm f/4 L IS II USM— 15 ACTIVE ELEMENTS / 11 GROUPS, f = 584.82 mm (MODELED)CANON EF 600mm f/4 L IS III USM— 17 ELEMENTS / 13 GROUPS PRODUCTION; 16 / 12 ACTIVE MODEL, 600mm f/4 MARKETEDCANON EF 600mm f/4 L IS USM— 15 modeled elements / 11 groups, Patent f = 585.20 mm; computed EFL ≈ 585.328 mmCANON EF 70-200mm f/2.8 L IS II USM— 23 elements / 19 groups, Patent f = 72.14-193.97 mmCANON EF 70-300mm f/4-5.6 L IS USM— 19 elements / 14 groups, 72.20–290.00 mm design EFLCANON EF 70-300mm f/4.5-5.6 DO IS USM— 17 ELEMENTS / 14 AIR-SPACED ASSEMBLIES, 7 FUNCTIONAL ZOOM GROUPSCANON EF 8-15mm f/4 L Fisheye USM— 14 elements / 11 groups, 8-15 mm marketed; 8.05-15.14 mm designCANON EF-M 11-22mm f/4-5.6 IS STM— 12 ELEMENTS / 9 GROUPS, 11-22mm f/4-5.6 MARKETEDCANON EF-M 18-55mm f/3.5-5.6 IS STM— 13 ELEMENTS / 11 GROUPS, 18.58-53.36 mm DESIGNCANON EF-M 22mm f/2 STM— 7 elements / 6 groups, f = 21.79 mm design / 22 mm marketedCANON EF-M 28mm f/3.5 Macro IS STM— Canon EF-M / APS-C, Patent f = 27.74 mm; recomputed f = 27.76 mmCANON EF-M 32mm f/1.4 STM— 14 elements / 8 groups, f = 32.34 mm designCANON EF-S 10-18mm f/4.5-5.6 IS STM— 14 ELEMENTS / 11 GROUPS, f = 10.30–17.46 mmCANON EF-S 10-22mm f/3.5-4.5 USM— 13 elements / 10 groups, 10-22mm f/3.5-4.5CANON EF-S 17-55mm f/2.8 IS USM— 21 ELEMENTS (19 GLASS + 2 RESIN) / 12 GROUPS, f = 17.50–53.44 mmCANON EF-S 17-85mm f/4-5.6 IS USM— 17 ELEMENTS / 12 GROUPS, 17-85mm MARKETED / 17.55-82.48mm DESIGNCANON EF-S 18-55mm f/3.5-5.6 IS— 11 elements / 9 groups, Design f = 18.693-53.300 mmCANON EF-S 24mm f/2.8 STM— 6 ELEMENTS / 5 GROUPS, f ≈ 24.5 mmCANON EF-S 55-250mm f/4-5.6 IS— 12 ELEMENTS / 10 GROUPS, PATENT EFL 56.9-241.3 mmCANON EF-S 55-250mm f/4-5.6 IS STM— 15 elements / 12 groups, 55-250mm f/4-5.6 marketed; 56.80-241.32mm patent designCanon FD 24mm f/2.8 S.S.C.— 24mm f/2.8, 9 elements / 8 groupsCanon FD 28mm f/2.8 S.C.— 7 elements / 7 groups, 28 mmCanon FD 300mm f/4 S.S.C.— 6 elements / 6 groups, f ≈ 299.5 mmCANON FD 35mm f/2 S.S.C. (I)— 35mm f/2, 9 elements / 8 groupsCANON FD 50mm f/1.2 L— 8 ELEMENTS / 6 GROUPS, f ≈ 50.0 mmCANON NEW FD 100mm f/2— 6 elements / 4 groups, f ≈ 100.00 mmCANON NEW FD 14mm f/2.8 L— 14 elements / 10 groups, f ≈ 14.0 mmCANON NEW FD 150-600mm f/5.6L— Telephoto zoom, 150–600 mm f/5.6, 19 elements / 15 groupsCANON New FD 50mm f/1.2— 7 elements / 6 groups, 46° field of viewCANON POWERSHOT G1 X 15.1-60.4mm f/2.8-5.8— 11 elements / 10 groups, Patent f = 15.57-58.93 mmCANON RF 100-500mm f/4.5-7.1 L IS USM— 20 ELEMENTS / 14 GROUPS, 100-500mm f/4.5-7.1 (MARKETED)CANON RF 100mm f/2.8 L MACRO IS USM— 17 ELEMENTS / 13 GROUPS, f ≈ 100.8 mmCANON RF 135mm f/1.8 L IS USM— 17 ELEMENTS / 12 GROUPS, f ≈ 130.9 mmCANON RF 14-35mm f/4 L IS USM— 16 ELEMENTS / 12 GROUPS, 14–35mm f/4 (marketed)CANON RF 14mm f/1.4 L VCM— 18 ELEMENTS / 13 GROUPS, 14mm f/1.4 (marketed)CANON RF 15-30mm f/4.5-6.3 IS STM— 13 ELEMENTS / 11 GROUPS, 15-30mm MARKETING / 15.45-29.15mm PATENTCANON RF 15-35mm f/2.8 L IS USM— 16 elements / 12 groups, 3 aspherical elements (6 surfaces)CANON RF 16mm f/2.8 STM— 9 elements / 7 groups, f = 16.49 mm design / 16 mm marketedCANON RF 20mm f/1.4 L VCM— Official: 15 elements / 11 groups; BR layer modeled separately, Patent Example 2: 16 optical members / 11 groupsCANON RF 24-105mm f/2.8 L IS USM Z— 23 ELEMENTS / 18 GROUPS, f = 24.78–102.06 mmCANON RF 24-105mm f/4 L IS USM— 18 ELEMENTS / 14 GROUPS, f = 24.72 – 101.84 mmCANON RF 24-105mm f/4-7.1 IS STM— 13 ELEMENTS / 11 GROUPS, 24-105mm f/4-7.1 (MARKETED)CANON RF 24-240mm f/4-6.3 IS USM— 21 ELEMENTS / 15 GROUPS, f ≈ 24.7–232.8 mmCANON RF 24-50mm f/4.5-6.3 IS STM— 8 ELEMENTS / 8 GROUPS, f ≈ 24.7–48.5 mmCANON RF 24-70mm f/2.8 L IS USM— 21 ELEMENTS / 15 GROUPS, f = 24.7–67.9 mmCANON RF 24mm f/1.4 L VCM— 15 ELEMENTS / 11 GROUPS, 24mm f/1.4 (MARKETED)CANON RF 28-70mm f/2 L USM— 19 ELEMENTS / 13 GROUPS, f = 28.9 – 67.9 mm (patent)CANON RF 28-70mm f/2.8 IS STM— 15 ELEMENTS / 12 GROUPS, f = 28.80–67.90 mm (2.36×)CANON RF 35mm f/1.4 L VCM— 14 ELEMENTS / 11 GROUPS, 35 mm f/1.4 (marketing)CANON RF 50mm f/1.2 L USM— 15 ELEMENTS / 9 GROUPS, f ≈ 51.1 mm (marketed 50 mm)CANON RF 50mm f/1.4 L VCM— 14 elements / 11 groups (15 material entries incl. resin cap), f = 48.50 mm patent / 50 mm marketedCANON RF 50mm f/1.8 STM— 6 ELEMENTS / 5 GROUPS, 50mm f/1.8 (MARKETED)CANON RF 600mm f/11 IS STM— 10 ELEMENTS / 7 GROUPS, 600mm f/11 (MARKETED)CANON RF 70-200mm f/2.8 L IS USM— 17 ELEMENTS / 7 ZOOM GROUPS, f = 72.13–194.06 mmCANON RF 70-200mm f/4 L IS USM— 16 ELEMENTS / 11 GROUPS, 4 UD-CLASS ELEMENTSCANON RF 800mm f/11 IS STM— 11 ELEMENTS / 8 GROUPS, 800mm f/11 (MARKETED)CANON RF 85mm f/1.2 L USM— 14 ELEMENTS / 9 GROUPS, f ≈ 86.5 mmCANON RF 85mm f/2 Macro IS STM— 12 ELEMENTS / 11 GROUPS, f ≈ 82.4 mmCANON RF-S 18-45mm f/4.5-6.3 IS STM— 7 ELEMENTS / 7 GROUPS, 18–45mm f/4.5–6.3 (marketed)CANON SERENAR 100mm f/3.5 I— 100mm, f/3.5CANON SERENAR 28mm f/3.5— 6 ELEMENTS / 4 GROUPS, f ≈ 28.0 mmCANON SERENAR 35mm f/3.2— 6 ELEMENTS / 4 GROUPS, f ≈ 35.0 mmCANON SERENAR 50mm f/1.8— 6 ELEMENTS / 4 GROUPS, f ≈ 50.0 mmCANON SERENAR 85mm f/1.5— 7 ELEMENTS / 4 GROUPS, f ≈ 85.0 mmCANON TS-E 135mm f/4L MACRO— 11 elements / 7 groups, f = 132.97 mm design (135 mm marketed)CANON TS-E 50mm f/2.8L MACRO— 12 elements / 9 groups, f = 51.40 mm designCANON TS-E 90mm f/2.8L MACRO— 11 elements / 9 groups, Patent f = 55.986 mm; scaled ×1.60754CANON ZOOM LENS 15-45mm f/2.8-5.6 (PowerShot G1 X Mark III)— 9 elements / 8 groups, 15-45mm f/2.8-5.6CANON ZOOM LENS 8.8-36.8mm f/1.8-2.8 (PowerShot G7 X)— Patent f=9.06-35.69 mm, Marketed 8.8-36.8 mm

Carl Zeiss Jena(6)

The original Carl Zeiss optical works founded in Jena in 1846 — birthplace of the Tessar, Planar, and Sonnar formulas — and, after 1945, the East German VEB Carl Zeiss Jena combinate that continued producing lenses for Praktica, Pentacon, and Exakta SLRs throughout the Cold War.

CARL ZEISS JENA BIOGON 35mm f/2.8 (pre-war)— 7 elements / 4 groups, f = 35.0 mmCARL ZEISS JENA PANCOLAR 50mm f/2— 6 ELEMENTS / 4 GROUPS, f ≈ 50.6 mmCARL ZEISS JENA SONNAR 50mm f/1.5— 7 ELEMENTS / 3 GROUPS, f ≈ 50.2 mmCARL ZEISS JENA SONNAR 50mm f/2— 6 ELEMENTS / 3 GROUPS, f ≈ 50.0 mm (scaled from 100mm patent)CARL ZEISS JENA TESSAR 144mm f/5.5— 4 ELEMENTS / 3 GROUPS, f ≈ 144 mm (scaled from normalized patent)CARL ZEISS JENA TESSAR 50mm f/2.8— 4 ELEMENTS / 3 GROUPS, f ≈ 50.0 mm

Carl Zeiss Oberkochen(12)

The West German continuation of the Carl Zeiss optical tradition, founded in 1946 by Zeiss scientists evacuated from Jena and operating today as the headquarters of the Carl Zeiss Foundation — designer of the Contarex, Contax/Yashica, and modern Otus, Milvus, Loxia, Batis, and ZX1 lens lines.

CARL ZEISS B-DISTAGON 35mm f/4 (Contarex)— 7 elements / 4 groups, f = 35 mmCARL ZEISS BIOGON 21mm f/4.5— 8 ELEMENTS / 5 GROUPS, f ≈ 19.0 mm (design)CARL ZEISS CONTAREX PLANAR 55mm f/1.4— 7 ELEMENTS / 5 GROUPS, f = 55.0 mmCARL ZEISS DISTAGON T* 28mm f/2— 9 elements / 8 groups, f = 28.8 mm designCARL ZEISS DISTAGON T* 35mm f/1.4— 9 ELEMENTS / 8 GROUPS, f ≈ 36.5 mmCARL ZEISS DISTAGON T* 35mm f/2 (Zeiss ZX1)— 8 elements / 5 groups, f = 35.000 mmCARL ZEISS HOLOGON 15mm f/8 (Contarex Hologon / Leica M)— 3 ELEMENTS / 3 GROUPS, f ≈ 15.0 mmCARL ZEISS OLYMPIA-SONNAR 180mm f/2.8— 4 ELEMENTS / 4 GROUPS, f ≈ 180.1 mmCARL ZEISS PLANAR T* 50mm f/1.4— 7 ELEMENTS / 6 GROUPS, f ≈ 50.0 mmCARL ZEISS PRO-TESSAR 35mm f/3.2— 8 ELEMENTS / 6 GROUPS, f = 35.0 mmCARL ZEISS TESSAR 50mm f/3.5— 4 ELEMENTS / 3 GROUPS, f ≈ 50.0 mmCARL ZEISS TOUIT MAKRO-PLANAR T* 50mm f/2.8 Macro— 14 elements / 11 groups, f' = 51.52 mm patent design

Enna München(3)

German optical works founded in Munich by Alfred Neumann, best known for Ennalyt, Lithagon, and Tele-Ennalyt lenses, third-party SLR optics, projectors, and later precision plastic and assembly work.

ENNA MÜNCHEN LITHAGON 24mm f/4— 7 elements / 7 groups, f ≈ 24.0 mmENNA MÜNCHEN LITHAGON 35mm f/3.5— 4 elements / 4 groups, f ≈ 35.0 mmENNA MÜNCHEN ULTRA-LITHAGON 28mm f/3.5— 6 elements / 6 groups, f ≈ 28.00 mm

Fujifilm(42)

Japanese imaging company whose FUJINON lens division produces the X-mount mirrorless system and professional cinema and broadcast optics, known for applying advanced optical glass and aspherical technology to compact, high-performance designs.

FUJIFILM EBC FUJINON SW 65mm f/5.6 (Fujica GSW690 Professional)— 6 elements / 4 groups, f ≈ 65.0 mmFUJIFILM EBC FUJINON-W 35mm f/1.9— 8 elements / 6 groups, 35mmFUJIFILM FUJINON 18.5mm f/2.8 (Fujifilm X70)— 7 ELEMENTS / 5 GROUPS, f ≈ 19.1 mmFUJIFILM FUJINON 23mm f/2 (Fujifilm X100)— 8 ELEMENTS / 6 GROUPS, f ≈ 23.7 mmFUJIFILM FUJINON 23mm f/2 (Fujifilm X100V)— 8 ELEMENTS / 6 GROUPS, f ≈ 23.7 mmFUJIFILM FUJINON 35mm f/4 (Fujifilm GFX100RF)— 10 elements / 8 groups, f = 34.846 mmFUJIFILM FUJINON GF 100-200mm f/5.6 R LM OIS WR— 20 elements / 13 groups, f = 101.68–203.35 mm (patent)FUJIFILM FUJINON GF 110mm f/2 R LM WR— 14 ELEMENTS / 9 GROUPS, f ≈ 108.5 mmFUJIFILM FUJINON GF 120mm f/4 R LM OIS WR Macro— 14 ELEMENTS / 9 GROUPS, f ≈ 116.4 mmFUJIFILM FUJINON GF 20-35mm f/4 R WR— 14 elements / 10 groups, f = 20.60-33.99 mm design; 20-35 mm marketedFUJIFILM FUJINON GF 23mm f/4 R LM WR— Patent Example 1: 14 elements / 11 groups, Production lens: 15 elements / 12 groupsFUJIFILM FUJINON GF 250mm f/4 R LM OIS WR— 16 ELEMENTS / 10 GROUPS, 250 mm f/4 (MARKETED)FUJIFILM FUJINON GF 30mm f/5.6 T/S— 16 elements / 11 groups, 30.90 mm design EFLFUJIFILM FUJINON GF 32-64mm f/4 R LM WR— 14 lens elements / 11 groups, 5 moving zoom groups: + - + - +FUJIFILM FUJINON GF 35-70mm f/4.5-5.6 WR— 11 elements / 9 groups, f=35-70mm; design EFL 36.05-67.89mmFUJIFILM FUJINON GF 45-100mm f/4 R LM OIS WR— 17 elements / 12 groups (patent), Production lens: 16 elements / 12 groupsFUJIFILM FUJINON GF 45mm f/2.8 R WR— 11 elements / 8 groups, f = 44.690 mm patent; 45 mm marketedFUJIFILM FUJINON GF 55mm f/1.7 R WR— 55mm f/1.7, 14 elements / 10 groupsFUJIFILM FUJINON GF 80mm f/1.7 R WR— 12 ELEMENTS / 9 GROUPS, f ≈ 78.7 mmFUJIFILM FUJINON XF 16-55mm f/2.8 R LM WR— 17 ELEMENTS / 12 GROUPS, f = 16.5 – 53.4 mm (PATENT) / 16 – 55 mm (MARKETED)FUJIFILM FUJINON XF 16-55mm f/2.8 R LM WR II— 16 elements / 11 groups, f = 16.50–53.40 mm patent designFUJIFILM FUJINON XF 16-80mm f/4 R OIS WR— 16 ELEMENTS / 12 GROUPS, f = 16.5–77.8 mmFUJIFILM FUJINON XF 18mm f/2 R— 8 ELEMENTS / 7 GROUPS, f ≈ 18.8 mmFUJIFILM FUJINON XF 200mm f/2 R LM OIS WR— 19 ELEMENTS / 14 GROUPS, f = 200 mm (200.0 marketed, 194.01 design)FUJIFILM FUJINON XF 23mm f/1.4 R— 11 ELEMENTS / 8 GROUPS, f ≈ 23.7 mmFUJIFILM FUJINON XF 23mm f/1.4 R LM WR— 15 elements / 10 groups, Patent f = 23.62 mm scaled to 23.00 mmFUJIFILM FUJINON XF 23mm f/2 R WR— 10 elements / 6 groups, f = 22.377 mm design; 23 mm marketedFUJIFILM FUJINON XF 23mm f/2.8 R WR— 23mm, f/2.8FUJIFILM FUJINON XF 33mm f/1.4 R LM WR— 33 mm APS-C standard prime, 15 elements / 10 groupsFUJIFILM FUJINON XF 35mm f/1.4 R— 8 ELEMENTS / 6 GROUPS, f ≈ 36.17 mmFUJIFILM FUJINON XF 50-140mm f/2.8 R LM OIS WR— 23 ELEMENTS / 16 GROUPS, f = 50–140 mm (design 51.52–135.96 mm)FUJIFILM FUJINON XF 50mm f/1.0 R WR— 12 elements / 9 groups, 1 aspherical element (2 aspherical surfaces)FUJIFILM FUJINON XF 56mm f/1.2 R— 11 ELEMENTS / 8 GROUPS, f ≈ 56.99 mmFUJIFILM FUJINON XF 56mm f/1.2 R WR— 13 elements / 8 groups, f = 54.453 mm design; 56 mm marketedFUJIFILM FUJINON XF 60mm f/2.4 R Macro— 10 ELEMENTS / 8 GROUPS, f = 61.06 mm (design)FUJIFILM FUJINON XF 80mm f/2.8 R LM OIS WR Macro— 16 elements / 12 groups, 1 aspherical (2 surfaces)FUJIFILM FUJINON XF 90mm f/2 R LM WR— 11 ELEMENTS / 8 GROUPS, f ≈ 87.5 mm (marketed 90 mm)FUJIFILM FUJINON-Z 43-75mm f/3.5-4.5— 7 elements / 7 groups, 43-75mm marketed; 42.99-71.47mm computedFUJIFILM SUPER EBC FUJINON 45mm f/4 (Fujifilm GA645W/GA645Wi Professional)— 7 elements / 5 groups, 45mm f/4FUJIFILM SUPER EBC FUJINON 60mm f/4 (Fujifilm GA645 Professional)— 7 elements / 6 groups, f = 59.998 mm (patent f=100 scaled ×0.6)FUJIFILM SUPER EBC FUJINON 7.1-28.4mm f/2-2.8 (Fujifilm X10)— 11 ELEMENTS / 9 GROUPS, DESIGN f = 7.342-27.682 mmFUJIFILM TCL-X100 33mm f/2 (Fujifilm X100)— 12 ELEMENTS / 10 GROUPS, f = 32.818 mm (design)

Hasselblad(9)

Swedish medium-format camera maker best known for modular 6x6 V-System cameras, Carl Zeiss leaf-shutter lenses, NASA lunar missions, and the modern XCD mirrorless medium-format lens line.

HASSELBLAD HC 150mm f/3.2— 9 ELEMENTS / 8 GROUPS, f ≈ 150 mmHASSELBLAD HC 210mm f/4— 10 ELEMENTS / 6 GROUPS, f ≈ 210.0 mmHASSELBLAD HC 300mm f/4.5— 9 ELEMENTS / 7 GROUPS, f ≈ 292.0 mmHASSELBLAD HC 50mm f/3.5— 10 ELEMENTS / 9 GROUPS, f ≈ 50.0 mmHASSELBLAD HC 80mm f/2.8— 6 ELEMENTS / 6 GROUPS, f ≈ 80.0 mmHASSELBLAD HC Macro 120mm f/4— 9 ELEMENTS / 9 GROUPS, f ≈ 118.7 mmHASSELBLAD XCD 120mm f/3.5 Macro— 10 ELEMENTS / 7 GROUPS, f = 120.0 mmHASSELBLAD XCD 65mm f/2.8— 10 ELEMENTS / 6 GROUPS, f ≈ 65.0 mmHASSELBLAD XCD 90mm f/2.5 V— 9 ELEMENTS / 6 GROUPS, f ≈ 90.0 mm

Kodak(3)

American imaging company that turned photography into a mass consumer medium through roll film, simple cameras, photofinishing, motion-picture film, and the Ektar and Kodak Anastigmat lens families.

KODAK AERO EKTAR 6 in f/3.5— 6 ELEMENTS / 4 GROUPS, f = 152.58 mmKODAK ENLARGING EKTAR 100mm f/4.5— 5 ELEMENTS / 3 GROUPS, f ≈ 100.36 mmKODAK WIDE-FIELD EKTAR 100mm f/6.3— 4 elements / 4 groups, EFL 100.09 mm

Konica(12)

Japanese imaging pioneer founded in 1873 as a photographic-materials shop, later producing the Hexar and Hexanon lens families and the Konica AR SLR system before merging with Minolta in 2003 and transferring its camera division to Sony in 2006.

KONICA FL-HEXANON AR 300mm f/6.3— 9 ELEMENTS / 5 GROUPS, 300mm f/6.3 (MARKETED)KONICA HEXANON 135mm f/3.5— 4 ELEMENTS / 4 GROUPS, f = 134.995mm DESIGNKONICA HEXANON 38mm f/2.8 (Konica C35)— 4 ELEMENTS / 3 GROUPS, f = 38mm nominalKONICA HEXANON 60mm f/1.2 L— 7 ELEMENTS / 6 GROUPS, 60mm MARKETED / 58.2635mm DESIGN EFLKONICA HEXANON AR 35mm f/2.8— 5 ELEMENTS / 5 GROUPS, f ≈ 35.00 mmKONICA HEXAR 35mm f/2 (Konica Hexar AF)— 7 elements / 6 groups, f = 34.99 mmKONICA UC HEXANON AR 28mm f/1.8— 8 ELEMENTS / 8 GROUPS, MODELED EFL 28.1585 mmKONICA UC ZOOM HEXANON AR 45–100mm f/3.5— 11 ELEMENTS / 10 GROUPS, 45–100mm MARKETING / 46.76–99.18mm PATENTKONICA UC ZOOM HEXANON AR 80–200mm f/4— 14 ELEMENTS / 10 GROUPS, 80–200mm f/4KONICA ZOOM-HEXANON AR 35–70mm f/3.5— 9 ELEMENTS / 9 GROUPS, 35–70mmKONICA ZOOM-HEXANON AR 65–135mm f/4— 13 ELEMENTS / 9 GROUPS, 65–135mm MARKETED / 66.290–135.095mm MODELEDKONICA ZOOM-HEXANON AR 70–150mm f/4— 15 ELEMENTS / 12 GROUPS, 70–150mm f/4 (marketed)

Laowa(6)

Chinese optical manufacturer behind the Laowa lens brand, known for unusual macro, ultra-wide, shift, probe, f/0.95, and cine optics aimed at independent still and motion-image shooters.

LAOWA 12mm f/2.8 Zero-D— 16 elements / 10 groups, Design f = 12.4999 mmLAOWA 15mm f/2 Zero-D— Patent Example 1, 12 elements / 9 groupsLAOWA 15mm f/4 Wide Angle 1:1 Macro— 12 ELEMENTS / 9 GROUPS, f = 16.00 mmLAOWA 24mm f/14 2× Macro Probe— 27 ELEMENTS / 19 GROUPS, f ≈ 23.7 mmLAOWA 58mm f/2.8 2× Ultra-Macro APO— 14 ELEMENTS / 11 GROUPS, f ≈ 59.2 mmLAOWA 65mm f/2.8 2× Ultra Macro APO— 14 ELEMENTS / 10 GROUPS, f ≈ 66.0 mm (design) / 65 mm (marketed)

Leica(15)

German precision optical manufacturer renowned for the M-series rangefinder cameras and Summicron, Summilux, and APO-Summicron lens families, blending meticulous handcraft with advanced optical science at small production volumes.

LEICA APO-MACRO-ELMARIT-TL 60mm f/2.8 ASPH.— 10 ELEMENTS / 9 GROUPS, f ≈ 60.0 mmLEICA APO-SUMMICRON 43mm f/2 ASPH. (Leica Q3 43)— 11 ELEMENTS / 8 GROUPS, f ≈ 41.7 mmLEICA APO-SUMMICRON-M 35mm f/2 ASPH.— 10 ELEMENTS / 5 GROUPS, f ≈ 34.8 mm (d-line)LEICA APO-VARIO-ELMARIT-SL 90-280mm f/2.8-4— 23 ELEMENTS / 7 GROUPS (17 SUB-GROUPS), f = 92.3–272.9 mmLEICA ELCAN 50mm f/2— 4 ELEMENTS / 4 GROUPS, f ≈ 50.0 mmLEICA ELMAR-M 135mm f/4— 5 elements / 3 groups, f ≈ 134.5 mmLEICA ELMARIT 90mm f/2.8— 5 ELEMENTS / 3 GROUPS, f ≈ 90.1 mmLEICA ELMARIT-M 135mm f/2.8— 5 elements / 4 groups, f ≈ 135.1 mmLEICA ELMARIT-R 28mm f/2.8— 8 ELEMENTS / 6 GROUPS, f = 28 mm (e-line trace ≈ 29.2 mm)LEICA ELMARIT-R 35mm f/2.8— 7 elements / 5 groups, f ≈ 35.1 mmLEICA ELMARIT-TL 18mm f/2.8 ASPH.— 8 GLASS ELEMENTS / 6 GROUPS, f = 18.4556 mm designLEICA MACRO-ELMARIT-R 60mm f/2.8— 6 elements / 5 groups, f = 61.4 mm design, 60 mm nominalLEICA SUMMICRON-M 50mm f/2— 6 ELEMENTS / 4 GROUPS, f ≈ 50.0 mmLEICA SUMMICRON-R 50mm f/2— 6 elements / 4 groups, 52.5 mm design focal lengthLEICA SUMMILUX 28mm f/1.7 ASPH. (Leica Q, Q2, Q3)— 11 ELEMENTS / 9 GROUPS, f ≈ 27.08 mm

Mamiya(9)

Japanese camera and optical maker best known for modular medium-format systems, leaf-shutter lenses, large-negative rangefinders, and the RB67, RZ67, M645, Mamiya 6, and Mamiya 7 lens families.

MAMIYA AF APO 300mm f/4.5 IF— 8 ELEMENTS / 8 GROUPS, 300mm f/4.5MAMIYA N 210mm f/8 L— 7 ELEMENTS / 5 GROUPS, f = 209.958 mm (SCALED DESIGN)MAMIYA SEKOR AF 150mm f/2.8 IF D— 8 ELEMENTS / 7 GROUPS, f = 149.790 mm (DESIGN)MAMIYA SEKOR AF 55mm f/2.8— 7 ELEMENTS / 6 GROUPS, f = 54.99997 mm (DESIGN)MAMIYA-SEKOR C 55mm f/2.8 N— 8 ELEMENTS / 6 GROUPS, f = 54.9999 mmMAMIYA-SEKOR CS 35mm f/2.8— 6 ELEMENTS / 6 GROUPS, f = 34.988 mm (MODELED)MAMIYA-SEKOR MACRO C 80mm f/4— 6 ELEMENTS / 4 GROUPS, f = 80.121 mm (DESIGN)MAMIYA-SEKOR SFC 150mm f/4 SOFT FOCUS— 5 ELEMENTS / 3 GROUPS, f = 150.026 mm (MODELED)MAMIYA-SEKOR ZOOM E 28-50mm f/3.5-4.5— 9 ELEMENTS / 8 GROUPS, 28-47.55 mm DESIGN / 28-50 mm MARKETED

Minolta(21)

Japanese camera and lens manufacturer whose Rokkor optics, SR / MC / MD SLR mounts, and pioneering A-mount autofocus system shaped late twentieth-century photography before the camera division was absorbed into Sony in 2006.

MINOLTA AF 100mm f/2— 7 ELEMENTS / 6 GROUPS, 100mm f/2MINOLTA AF 100mm f/2.8 Macro— 8 elements / 8 groups, f = 100.0 mm designMINOLTA AF 135mm f/2.8 [T4.5] STF— 8 ELEMENTS / 6 GROUPS, 135mm f/2.8 [T4.5] STFMINOLTA AF 20mm f/2.8— 10 ELEMENTS / 9 GROUPS, 20mmMINOLTA AF 28-70mm f/2.8 G— 16 ELEMENTS / 11 GROUPS, 4-GROUP N-P-N-P ZOOMMINOLTA AF 28-75mm f/2.8 (D)— 28-75mm f/2.8, 16 elements / 14 groupsMINOLTA AF 28mm f/2— 9 elements / 9 groups, f = 28.0 mmMINOLTA AF 35-105mm f/3.5-4.5 New (v2)— 35-105 mm full-frame A-mount zoom, Patent f = 36.0-60.0-102.0 mmMINOLTA AF 35mm f/1.4— 10 ELEMENTS / 8 GROUPS, 35mm MARKETED / 34.983 mm DESIGNMINOLTA AF 35mm f/2— 7 ELEMENTS / 6 GROUPS, 35mm MARKETING / 35.0002mm MODELEDMINOLTA AF 400mm f/4.5 APO G— 8-ELEMENT / 6-GROUP PATENT MODEL, 390 mm PATENT HEADER / 391.43 mm COMPUTED EFLMINOLTA AF 70-200mm f/2.8 APO G (D) SSM— Patent Example 1: 19 elements / 15 air-spaced optical clusters, Production class: 70-200mm f/2.8 A-mountMINOLTA AF 80-200mm f/2.8 APO— 16 ELEMENTS / 13 GROUPS, DESIGN 82-195mmMINOLTA AF APO Tele 200mm f/2.8— 200mm f/2.8, 8 elements / 7 groupsMINOLTA AF APO TELE 300mm f/2.8— Patent Example 8: f = 295.0 mm, FN = 2.9, Marketed as 300mm f/2.8MINOLTA AF Reflex 500mm f/8— 500 mm f/8 fixed, f = 495.97 mm patent EFLMINOLTA AF Zoom 35-70mm f/4— 6 components / 6 air-spaced groups, 7 modeled optical media including hybrid resin layerMINOLTA MC FISH-EYE ROKKOR-OK 16mm f/2.8— MINOLTA: 11 ELEMENTS / 8 GROUPS INCLUDING BUILT-IN FILTER, ACTIVE MODEL: 10 ELEMENTS / 7 GROUPSMINOLTA MD ROKKOR 45mm f/2— 6 ELEMENTS / 5 GROUPS, f ≈ 45.0 mmMINOLTA MD ROKKOR 50mm f/1.4— 7 ELEMENTS / 6 GROUPS, f ≈ 50.0 mmMINOLTA VARISOFT ROKKOR 85mm f/2.8— 6 ELEMENTS / 5 GROUPS, f ≈ 85.0 mm (production) · 100.0 mm (patent)

Nikon(156)

Japan's preeminent optical manufacturer, known for the Nikkor lens line spanning seven decades of innovation from rangefinder-era designs through modern computational optics.

NIKON 1 NIKKOR 10mm f/2.8— 6 elements / 5 groups, f = 10.300 mm patent; 10 mm marketedNIKON 1 NIKKOR 11-27.5mm f/3.5-5.6— 11-27.5mm CX-format zoom, Patent f = 11.35-26.71 mmNIKON 1 NIKKOR 32mm f/1.2— 9 elements / 7 groups, f = 32.402 mm designNIKON 1 NIKKOR VR 10-100mm f/4-5.6— 10-100mm marketed range, f/4-5.6 marketed maximum apertureNIKON 1 NIKKOR VR 10-30mm f/3.5-5.6— 12 ELEMENTS / 9 GROUPS, 10.3-29.1 mm patent designNIKON 35mm f/2.8 (Nikon L35AF)— 5 ELEMENTS / 4 GROUPS, f ≈ 35.0 mmNIKON AF DC-NIKKOR 135mm f/2D— 7 ELEMENTS / 6 GROUPS, 135mm f/2NIKON AF DX FISHEYE-NIKKOR 10.5mm f/2.8G ED— 10 elements / 7 groups, Patent f = 10.565 mm; marketed 10.5 mmNIKON AF FISHEYE-NIKKOR 16mm f/2.8D— 8 ELEMENTS / 5 GROUPS, DESIGN EFL 15.66855 mmNIKON AF MICRO-NIKKOR 200mm f/4D IF-ED— 13 ELEMENTS / 8 GROUPS, f = 200.1457 mmNikon AF Nikkor 20mm f/2.8D— 20mm, f/2.8NIKON AF NIKKOR 28mm f/1.4 D— 11 ELEMENTS / 8 GROUPS, f ≈ 28.6 mmNikon AF Nikkor 28mm f/2.8D— 6 elements / 6 groups, f = 28.60 mmNIKON AF NIKKOR 85mm f/1.4 D IF— 9 ELEMENTS / 8 GROUPS, f = 85.0 mmNIKON AF ZOOM-MICRO NIKKOR ED 70-180mm f/4.5-5.6D— 18 elements / 14 groups, Patent f = 82.4-194.0 mmNIKON AF ZOOM-NIKKOR 28-200mm f/3.5-5.6 G IF-ED— 12 physical elements / 11 groups (14 material layers modeled), Production: 28-200mm f/3.5-5.6NIKON AF ZOOM-NIKKOR 28-80mm f/3.3-5.6 G— 6 production elements / 6 air-spaced groups, Negative-positive two-group zoomNIKON AF ZOOM-NIKKOR 28-80mm f/3.5-5.6 D— 8 elements / 8 air-spaced groups, 2 zoom groups: G1 (-) / G2 (+)NIKON AF ZOOM-NIKKOR 28-85mm f/3.5-4.5— 15 elements / 11 groups, computed f = 28.833-83.289 mmNIKON AF ZOOM-NIKKOR 35-70mm f/2.8D— 15 elements / 12 groups, 35-70mm f/2.8NIKON AF-I NIKKOR 300mm f/2.8D IF-ED— 300mm f/2.8, PATENT F=293.9647mm / FN=2.9NIKON AF-I NIKKOR 400mm f/2.8D IF-ED— 10 ELEMENTS / 7 GROUPS, 400mm f/2.8 MARKETEDNIKON AF-I NIKKOR 600mm f/4D IF-ED— 9 ELEMENTS / 7 GROUPS, MARKETED 600mm f/4NIKON AF-P DX NIKKOR 10-20mm f/4.5-5.6 G VR— 10-20 mm DX zoom, 14 elements / 11 groups; 3 aspherical elementsNIKON AF-P DX NIKKOR 18-55mm f/3.5-5.6 G VR— 12 elements / 9 groups (manufacturer count), 13 modeled optical material bodiesNIKON AF-P DX NIKKOR 70-300mm f/4.5-6.3 G ED VR— 70-300 mm marketed; 72.1-292.1 mm patent, f/4.5-6.3 marketed; f/4.707-6.494 patentNIKON AF-P NIKKOR 70-300mm f/4.5-5.6 E ED VR— 18 elements / 14 groups, Patent design f=72.10-292.01 mmNIKON AF-S DX MICRO-NIKKOR 40mm f/2.8G— PATENT: 9 ELEMENTS / 8 GROUPS, PRODUCTION: 9 ELEMENTS / 7 GROUPSNIKON AF-S DX MICRO-NIKKOR 85mm f/3.5G ED VR— 14 ELEMENTS / 10 GROUPS, 85 mmNIKON AF-S DX NIKKOR 55-200mm f/4-5.6 G ED VR II— 13 elements / 9 groups, f = 56.61-194.07 mm designNIKON AF-S DX NIKKOR 55-300mm f/4.5-5.6 G ED VR— 17 elements / 11 groups, 56.09-293.90 mm design EFLNIKON AF-S DX VR ZOOM-NIKKOR 18-200mm f/3.5-5.6G IF-ED— 16 PHYSICAL ELEMENTS / 12 GROUPS, 18-200mm marketed; 18.50109-194.99580mm patent control pointsNIKON AF-S DX ZOOM-NIKKOR 12-24mm f/4 G IF-ED— 11 GLASS ELEMENTS / 7 GROUPS, 12.3000-23.3001 mm DESIGNNIKON AF-S DX ZOOM-NIKKOR 17-55mm f/2.8G IF-ED— 14 ELEMENTS / 10 GROUPS, 17.55-52.70 mm DESIGNNIKON AF-S DX ZOOM-NIKKOR 18-55mm f/3.5-5.6G ED II— 7 ELEMENTS / 5 GROUPS, 18-55mm f/3.5-5.6 (MARKETED)NIKON AF-S DX ZOOM-NIKKOR 18-70mm f/3.5-4.5G IF-ED— 15 elements / 13 groups (physical count), 18-70mm f/3.5-4.5 (production)NIKON AF-S FISHEYE NIKKOR 8-15mm f/3.5-4.5E ED— 18 ELEMENTS / 13 GROUPS — PATENT EXAMPLE, 8.17997–15.45007mm DESIGNNIKON AF-S MICRO-NIKKOR 60mm f/2.8 G ED— 12 ELEMENTS / 9 GROUPS, f ≈ 58.0 mm (patent) / 60 mm (production)NIKON AF-S NIKKOR 105mm f/1.4 E ED— 14 ELEMENTS / 9 GROUPS, f ≈ 102.1 mmNIKON AF-S NIKKOR 120-300mm f/2.8 E FL ED SR VR— 25 ELEMENTS / 19 GROUPS, f = 123.6–291.0 mm (patent)NIKON AF-S NIKKOR 14-24mm f/2.8 G ED— 15 ELEMENTS / 11 GROUPS, f = 14.4–23.8 mmNIKON AF-S NIKKOR 16-35mm f/4 G ED VR— 17 ELEMENTS / 12 GROUPS, f = 16.48–33.94 mmNIKON AF-S NIKKOR 18-35mm f/3.5-4.5 G ED— 12 elements / 8 groups, 18-35mm FXNIKON AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VR— TC OUT — EXAMPLE 1, 27 ELEMENTS / 19 GROUPSNIKON AF-S NIKKOR 200-500mm f/5.6 E ED VR— 19 ELEMENTS / 12 GROUPS, f = 205–487 mmNIKON AF-S NIKKOR 20mm f/1.8 G ED— 13 elements / 11 groups, f = 20.600 mm design EFLNIKON AF-S NIKKOR 24-120mm f/4 G ED VR— 17 elements / 13 groups, 24-120 mm f/4 FX standard zoomNIKON AF-S NIKKOR 24-70mm f/2.8 E ED VR— 20 ELEMENTS / 16 GROUPS, f = 24–70 mmNIKON AF-S NIKKOR 24-70mm f/2.8 G ED— 24-70mm f/2.8 marketed; f=24.78-67.70mm, FNO=2.91 design, 15 elements / 11 groups production countNIKON AF-S NIKKOR 24mm f/1.4 G ED— 12 glass elements / 10 groups, Patent f = 24.68 mmNikon AF-S NIKKOR 24mm f/1.8G ED— 12 elements / 9 groups, 24 mm f/1.8 marketedNIKON AF-S NIKKOR 28-300mm f/3.5-5.6 G ED VR— 28-300mm FX superzoom, 19 glass elements / 14 production groupsNIKON AF-S NIKKOR 28mm f/1.4 E ED— 14 ELEMENTS / 11 GROUPS, f ≈ 28.4 mmNIKON AF-S NIKKOR 300mm f/4E PF ED VR— 300 mm f/4 (marketed), 16 elements / 10 groupsNIKON AF-S NIKKOR 400mm f/2.8E FL ED VR— 16 ELEMENTS / 12 GROUPS, 2 FLUORITE + 2 EDNIKON AF-S NIKKOR 500mm f/4E FL ED VR— 16 ELEMENTS / 12 GROUPS, 2 FLUORITE + 3 EDNIKON AF-S NIKKOR 500mm f/5.6E PF ED VR— 19 elements / 11 groups, 500 mm f/5.6 marketedNIKON AF-S NIKKOR 58mm f/1.4 G— 9 ELEMENTS / 5 GROUPS (patent) · 6 GROUPS (production), f ≈ 58.0 mmNIKON AF-S NIKKOR 600mm f/4E FL ED VR— 16 IMAGING ELEMENTS / 12 GROUPS + PROTECTIVE MENISCUS, 2 FLUORITE / 4 ED (PRODUCTION SPECIFICATION)NIKON AF-S NIKKOR 70-200mm f/2.8 E FL ED VR— 22 ELEMENTS / 18 GROUPS, f = 70–200 mm (design 71.5–196.0 mm)NIKON AF-S NIKKOR 70-200mm f/2.8 G ED VR II— 70-200 mm f/2.8 FX telephoto zoom, Patent design: f = 71.40-196.00 mm, FNO = 2.89NIKON AF-S NIKKOR 80-400mm f/4.5-5.6 G ED VR— 20 ELEMENTS / 12 GROUPS, f = 80–400 mm (design 81.6–392.0 mm)NIKON AF-S NIKKOR 85mm f/1.4 G— 10 ELEMENTS / 9 GROUPS, f = 85.0 mmNIKON AF-S VR MICRO-NIKKOR 105mm f/2.8 G IF-ED— 14 elements / 12 groups, 1 ED element (S-FPL51)NIKON AF-S VR ZOOM-NIKKOR 200-400mm f/4G IF-ED— 24 ELEMENTS / 17 GROUPS, 200-400mm f/4 (MARKETED)NIKON AF-S VR ZOOM-NIKKOR 24-120mm f/3.5-5.6G IF-ED— 15 ELEMENTS / 13 GROUPS, 24.720-116.500 mm DESIGNNIKON AF-S VR ZOOM-NIKKOR 70-200mm f/2.8G IF-ED— 21 ELEMENTS / 15 GROUPS, 70-200mm MARKETED; 71.4-196.0mm DESIGNNIKON AI AF VR ZOOM-NIKKOR 80-400mm f/4.5-5.6D ED— 17 ELEMENTS / 11 GROUPS, 80-400mm MARKETED (81.976-390.000mm EXAMPLE 4)NIKON AI AF ZOOM-NIKKOR 18-35mm f/3.5-4.5D IF-ED— 18-35mm f/3.5-4.5, 11 ELEMENTS / 8 GROUPSNIKON AI AF ZOOM-NIKKOR 20-35mm f/2.8D IF— 14 ELEMENTS / 11 AIR-SEPARATED UNITS / 4 ZOOM GROUPS, 20-35mm MARKETED / 20.5-34.0mm PATENT DESIGNNIKON AI AF ZOOM-NIKKOR 24-120mm f/3.5-5.6 D IF— 15 ELEMENTS / 11 GROUPS, DESIGN f = 24.701-116.518 mmNIKON AI AF ZOOM-NIKKOR 80-200mm f/2.8D ED— 16 ELEMENTS / 11 GROUPS, 80-200mm f/2.8 (MARKETED)NIKON AI AF-S NIKKOR ED 300mm f/2.8D IF— 11 ELEMENTS / 8 GROUPS, 3 ED ELEMENTSNIKON AI AF-S NIKKOR ED 400mm f/2.8D II IF— 11 ELEMENTS / 9 GROUPS, 400 mm marketed / 391.999 mm designNIKON AI AF-S NIKKOR ED 500mm f/4D IF— 11 ELEMENTS / 9 GROUPS, 3 ED ELEMENTSNIKON AI AF-S NIKKOR ED 600mm f/4D II IF— 10 ELEMENTS / 7 GROUPS, 600 mm f/4 (marketed)NIKON AI AF-S ZOOM-NIKKOR 80-200mm f/2.8D IF-ED— 18 ELEMENTS / 14 GROUPS, MARKETED 80-200mm f/2.8Nikon AI Micro-Nikkor 105mm f/2.8S— 10 elements / 9 groups, f = 105.003 mmNIKON AI NIKKOR 135mm f/2— 6 elements / 4 groups, Ai Nikkor 135mm f/2 (1977–2005)NIKON AI NIKKOR 135mm f/2.8— 5 elements / 4 groups, f/2.8–f/32 · 7 bladesNIKON AI NIKKOR 180mm f/2.8 ED— 5 elements / 5 groups, f = 180.00 mm, scaled from patent f = 100NIKON AI NIKKOR 24mm f/2— 11 elements / 10 groups, f ≈ 24.0 mmNIKON AI NIKKOR 28mm f/2.8S— 8 elements / 8 groups, f = 28.610 mmNIKON AI NIKKOR 28mm f/3.5— 6 elements / 6 groups, f ≈ 28.00 mmNIKON AI NIKKOR 35mm f/1.4S— 9 elements / 7 groups, 35.0 mm design EFLNIKON AI NIKKOR 35mm f/2— 35 mm, f/2NIKON AI NIKKOR 45mm f/2.8 P— 4 elements / 3 groups, f ≈ 45.0 mmNIKON AI NIKKOR 600mm f/5.6 IF-ED— 7 ELEMENTS / 6 GROUPS, 600mm f/5.6NIKON AI NIKKOR 85mm f/1.4 S— 7 ELEMENTS / 5 GROUPS, f ≈ 85.0 mmNikon AI Zoom-Nikkor 25-50mm f/4— 25-50 mm f/4, 11 elements / 10 groupsNikon AI Zoom-Nikkor 35-200mm f/3.5-4.5S— 17 elements / 13 groups, f = 36.23-194.85 mm computedNikon AI Zoom-Nikkor 35–105mm f/3.5–4.5S— 16 elements / 12 groups, 35–105 mmNikon AI Zoom-Nikkor 360-1200mm f/11 ED— 20 elements / 12 groups, 360-1200 mmNikon AI Zoom-Nikkor 50-135mm f/3.5S— 16 elements / 13 groups, 51.35-131.5 mm design EFLNIKON AI ZOOM-NIKKOR 80-200mm f/4— 13 ELEMENTS / 9 GROUPS, 80-200mm f/4 (MARKETED)NIKON AI ZOOM-NIKKOR 80-200mm f/4.5— 12 ELEMENTS / 9 GROUPS, COMPUTED EFL 80.102-199.912 mmNIKON AI-S NIKKOR 50mm f/1.2— 7 elements / 6 groups, f = 51.6 mm design / 50 mm nominalNikon AI-S Zoom-Nikkor 35–70mm f/3.5— 10 elements / 9 groups, f = 36.02–68.79 mm design; marketed 35–70 mmNIKON DODOTTO 400mm f/8— 4 ELEMENTS / 2 GROUPS, f = 390.0 mm design / 400 mm marketedNIKON FISHEYE-NIKKOR 6mm f/2.8— 12 elements / 9 groups, 6 mm circular fisheyeNIKON FISHEYE-NIKKOR 6mm f/5.6— 9 elements / 6 groups, f ≈ 6.00 mmNIKON Fuwatto Soft 90mm f/4.8— 1 group / 2 elements, f = 90.63 mm computed; 90 mm marketedNIKON Gugutto Macro 120mm f/4.5— 3 elements / 2 groups, 120mm f/4.5 fixed apertureNIKON Gyogyotto 20mm f/8— 3 elements / 2 groups, f = 20.0 mm (scaled from patent f = 100)NIKON NIKKOR 28mm f/2.8 (Nikon 28Ti)— 7 ELEMENTS / 5 GROUPS, f ≈ 28.9 mmNIKON NIKKOR 35mm f/2.8 (Nikon 35Ti)— 6 ELEMENTS / 4 GROUPS, f ≈ 35.0 mmNIKON NIKKOR Z 100-400mm f/4.5-5.6 VR S— 25 elements / 20 groups, 6 ED + 2 Super EDNIKON NIKKOR Z 135mm f/1.8 S Plena— 16 ELEMENTS / 14 GROUPS, f ≈ 132.3 mmNIKON NIKKOR Z 14-24mm f/2.8 S— 16 ELEMENTS / 11 GROUPS, f = 14.4–23.3 mm (patent) / 14–24 mm (production)NIKON NIKKOR Z 14-30mm f/4 S— 14 ELEMENTS / 12 GROUPS, f = 14.42–29.10 mmNIKON NIKKOR Z 180-600mm f/5.6-6.3 VR— 25 ELEMENTS / 17 GROUPS, 180-600mm (DESIGN 185.0086-582.1636mm)NIKON NIKKOR Z 20mm f/1.8 S— 20 mm, f/1.8NIKON NIKKOR Z 24-120mm f/4 S— 16 ELEMENTS / 13 GROUPS, f = 24.70 – 116.50 mmNIKON NIKKOR Z 24-200mm f/4-6.3 VR— 19 ELEMENTS / 15 GROUPS, f = 24.7–194.0 mm (design)NIKON NIKKOR Z 24-50mm f/4-6.3— 11 ELEMENTS / 10 GROUPS, f = 24.7–48.5 mmNIKON NIKKOR Z 24-70mm f/2.8 S— 17 ELEMENTS / 15 GROUPS, f = 24.8–67.9 mmNIKON NIKKOR Z 24-70mm f/4 S— 14 ELEMENTS / 11 GROUPS, f = 24.72 – 67.91 mm (2.75× zoom)NIKON NIKKOR Z 26mm f/2.8— 8 ELEMENTS / 4 GROUPS, f = 26.78 mmNIKON NIKKOR Z 28mm f/2.8— 9 ELEMENTS / 8 GROUPS, f ≈ 28.8 mmNIKON NIKKOR Z 35mm f/1.2 S— 17 ELEMENTS / 15 GROUPS, f = 34.4 mm (patent) · 35 mm (marketed)NIKON NIKKOR Z 35mm f/1.8 S— 35mm, f/1.8NIKON NIKKOR Z 40mm f/2— 6 ELEMENTS / 4 GROUPS, f ≈ 41.2 mmNIKON NIKKOR Z 50mm f/1.2 S— 17 ELEMENTS / 15 GROUPS, f = 51.29 mmNIKON NIKKOR Z 50mm f/1.8 S— 12 elements / 9 groups, EFL 51.6 mmNIKON NIKKOR Z 58mm f/0.95 S Noct— 17 ELEMENTS / 10 GROUPS, f ≈ 59.6 mmNIKON NIKKOR Z 70-200mm f/2.8 VR S— 21 ELEMENTS / 18 GROUPS, f = 71.5–196 mmNIKON NIKKOR Z 85mm f/1.8 S— 12 ELEMENTS / 8 GROUPS, f ≈ 83.0 mm (patent) · 85 mm (production)NIKON NIKKOR Z DX 12-28mm f/3.5-5.6 PZ VR— 12 elements / 11 groups, Patent f = 12.36-27.16 mmNIKON NIKKOR Z DX 16-50mm f/3.5-6.3 VR— 9 ELEMENTS / 7 GROUPS, f = 16.46–48.50 mmNIKON NIKKOR Z DX 18-140mm f/3.5-6.3 VR— 17 ELEMENTS / 13 GROUPS, f = 18.5–135.8 mm (design)NIKON NIKKOR Z DX 50-250mm f/4.5-6.3 VR— Production: 50-250 mm, f/4.5-6.3, Patent Example 1: f = 51.50-242.80 mmNIKON NIKKOR Z MC 105mm f/2.8 VR S— 16 ELEMENTS / 11 GROUPS, f ≈ 102.9 mmNIKON NIKKOR-H Auto 2.8cm f/3.5— 6 elements / 6 groups, f ≈ 28.0 mmNIKON NIKKOR-N 5cm f/1.1— 9 elements / 6 groups, Modified double-GaussNIKON NIKKOR-N Auto 24mm f/2.8— 9 ELEMENTS / 7 GROUPS, f ≈ 24.0 mmNIKON NIKKOR-N AUTO 28mm f/2— 9 ELEMENTS / 8 GROUPS, f ≈ 27.8 mm (design)NIKON NIKKOR-O 2.1cm f/4— 8 ELEMENTS / 4 GROUPS, f = 21.000 mmNIKON NIKKOR-S AUTO 5.8cm f/1.4— 7 ELEMENTS / 6 GROUPS, f = 58.0059 mmNIKON NIKKOR-S AUTO 50mm f/1.4— 7 ELEMENTS / 5 GROUPS, f ≈ 50.0 mmNIKON NIKKOR-S AUTO 5cm f/2— 7 ELEMENTS / 5 GROUPS, EFL 50.006 mmNIKON PC NIKKOR 19mm f/4 E ED— 17 ELEMENTS / 13 GROUPS (18 physical), f ≈ 19.4 mmNIKON PC-E MICRO-NIKKOR 45mm f/2.8 D ED— 9 ELEMENTS / 8 GROUPS, f ≈ 41.2 mm (design) · 45 mm (marketed)NIKON PC-E NIKKOR 24mm f/3.5 D ED— 13 ELEMENTS / 10 GROUPS, f ≈ 24.6 mmNIKON R-UW AF FISHEYE-NIKKOR 13mm f/2.8— 10 ELEMENTS / 7 GROUPS, f = 12.32 mm in waterNIKON R-UW AF MICRO-NIKKOR 50mm f/2.8— 10 elements / 9 groups, f = 51.6 mm in waterNIKON R-UW AF ZOOM-NIKKOR 20-35mm f/2.8— 10 elements / 10 groups, f = 20.60-34.00 mm in waterNIKON REFLEX-NIKKOR 1000mm f/11— 5 elements / 5 groups, f ≈ 1001.4 mmNIKON REFLEX-NIKKOR 500mm f/8 (New)— 6 elements / 6 groups, f = 499.482 mmNIKON REFLEX-NIKKOR·C 500mm f/8— 500 mm nominal focal length, f/8 marketed, F/7 geometric prescriptionNIKON SERIES E 100mm f/2.8— 4 elements / 4 groups, f = 100.02 mmNIKON SERIES E 135mm f/2.8— 4 ELEMENTS / 4 GROUPS, f ≈ 135.1 mmNIKON ULTRA-MICRO-NIKKOR 29.5mm f/1.2— 9 elements / 6 groups, f = 29.5 mm nominal; e-line EFL ≈ 29.11 mmNIKON UV-NIKKOR 105mm f/4.5— 6 elements / 6 groups, f = 105 mmNIKON UV-NIKKOR AUTO 55mm f/4— 3 elements / 3 groups, f ≈ 55.03 mmNIKON W-NIKKOR 35mm f/1.8— 7 elements / 5 groups, f = 35.005 mmNIKON ZOOM-NIKKOR AUTO 80-200mm f/4.5— 15 elements / 10 groups, computed f = 80.009–200.341 mm

Olympus(33)

Japanese precision optical company whose Zuiko lens family defined compact, high-performance OM-system photography in the 1970s and 1980s, later co-founding the Four Thirds and Micro Four Thirds mirrorless standards that reshaped interchangeable-lens camera design.

OLYMPUS E.ZUIKO AUTO-T 1000mm f/11— 5 ELEMENTS / 5 GROUPS, f = 1000.10 mmOLYMPUS E.ZUIKO AUTO-T 135mm f/3.5— 5 ELEMENTS / 4 GROUPS, f ≈ 135.0 mmOLYMPUS F.ZUIKO 35mm f/2.8 (Olympus XA)— 6 ELEMENTS / 5 GROUPS, f ≈ 35.0 mmOLYMPUS F.ZUIKO AUTO-T 200mm f/5— 6 elements / 5 groups, f ≈ 200.02 mmOLYMPUS G.ZUIKO AUTO-S 50mm f/1.4— 7 ELEMENTS / 6 GROUPS, f ≈ 50.0 mmOLYMPUS G.ZUIKO AUTO-S 55mm f/1.2— 7 ELEMENTS / 6 GROUPS, f ≈ 55.0 mmOLYMPUS G.ZUIKO AUTO-W 21mm f/3.5— 7 ELEMENTS / 7 GROUPS, f ≈ 21.00 mmOLYMPUS G.ZUIKO AUTO-W 28mm f/3.5— 7 ELEMENTS / 7 GROUPS, f = 28.007 mmOLYMPUS H.ZUIKO AUTO-W 24mm f/2.8— 8 ELEMENTS / 7 GROUPS, f = 23.999 mmOLYMPUS H.ZUIKO AUTO-W 24mm f/2.8 (US 3,994,574 Design)— 8 ELEMENTS / 7 GROUPS, f = 23.99995 mmOLYMPUS M.ZUIKO DIGITAL 14-42mm f/3.5-5.6 II R— 8 elements / 7 groups, 14-42mm f/3.5-5.6OLYMPUS M.ZUIKO DIGITAL 17mm f/1.8— 17mm f/1.8, Patent f = 17.30 mm / FNO = 1.716OLYMPUS M.ZUIKO DIGITAL 17mm f/2.8— 6 elements / 4 groups, f = 17 mm (design 17.30 mm)OLYMPUS M.ZUIKO DIGITAL ED 12-100mm f/4.0 IS PRO— 12-100mm f/4.0, Patent f=12.36-97.98mm, F/4.08OLYMPUS M.ZUIKO DIGITAL ED 12-40mm f/2.8 PRO— 14 ELEMENTS / 9 GROUPS, f = 12.25–39.10 mmOLYMPUS M.ZUIKO DIGITAL ED 12mm f/2.0— 11 elements / 8 production groups (9 patent groups), f = 12.187 mm designOLYMPUS M.ZUIKO DIGITAL ED 40-150mm f/2.8 PRO— 16 ELEMENTS / 10 GROUPS, f = 40.81–147.00 mm (3.60×)OLYMPUS OM J. ZUIKO AUTO-W 24mm f/2— 10 ELEMENTS / 8 GROUPS, f ≈ 24.0 mmOLYMPUS OM ZUIKO 16mm f/3.5 Fisheye— 11 ELEMENTS / 8 GROUPS, f ≈ 16.0 mmOLYMPUS OM ZUIKO AUTO-W 21mm f/2— 11 ELEMENTS / 9 GROUPS, f ≈ 21 mm (marketed) / 28.5 mm (computed)OLYMPUS OM-SYSTEM ZUIKO AUTO-ZOOM 65-200mm f/4— 14 elements / 11 groups, f = 66.923-194.149 mm designOLYMPUS ZUIKO 9-36mm f/2-2.4 (Olympus E-10 / E-20)— 14 powered elements / 11 powered groups, f = 9.200-35.500 mm patent designOLYMPUS ZUIKO AUTO-FISHEYE 8mm f/2.8— Patent Example 1: 10 elements / 6 groups, Production correlation: 8mm f/2.8 OM circular fisheyeOLYMPUS ZUIKO AUTO-MACRO 50mm f/2— 9 ELEMENTS / 7 GROUPS, f ≈ 50.0 mmOLYMPUS ZUIKO AUTO-MACRO 90mm f/2— 9 ELEMENTS / 9 GROUPS, f ≈ 90.0 mmOLYMPUS ZUIKO AUTO-S 50mm f/1.2— 7 ELEMENTS / 6 GROUPS, f ≈ 50.0 mmOLYMPUS ZUIKO AUTO-T 85mm f/2— 5 ELEMENTS / 4 GROUPS, f ≈ 85.0 mmOLYMPUS ZUIKO AUTO-W 18mm f/3.5— 11 ELEMENTS / 9 GROUPS, 18.03 mm PARAXIAL EFLOLYMPUS ZUIKO AUTO-W 28mm f/2— 9 ELEMENTS / 8 GROUPS, f = 28.000 mmOLYMPUS ZUIKO AUTO-ZOOM 85-250mm f/5— 15 elements / 11 groups, 85-250mmOLYMPUS ZUIKO DIGITAL ED 12-60mm f/2.8-4.0 SWD— 12-60mm Four Thirds standard zoom, Patent f = 12.33 / 26.62 / 58.81mmOLYMPUS ZUIKO DIGITAL ED 14-35mm f/2.0 SWD— 18 elements / 17 groups, 14–35 mm f/2.0 marketed; 14.22–34.28 mm patentOLYMPUS ZUIKO DIGITAL ED 150mm f/2.0— 11 elements / 9 groups, f = 149.50 mm patent EFL

P. Angénieux(3)

French optical maker founded by Pierre Angénieux, renowned for inventing the modern retrofocus wide-angle, pioneering high-ratio cinema and television zooms, supplying space-program optics, and building today's Optimo cinema-lens family.

P. ANGÉNIEUX DEM 180mm f/2.3 APO— 8 ELEMENTS / 6 GROUPS, f = 179.927 mm (DESIGN)P. ANGÉNIEUX RETROFOCUS TYPE R1 35mm f/2.5— 6 ELEMENTS / 5 GROUPS, 35mm MARKETING / 35.372mm DESIGNP. ANGÉNIEUX RETROFOCUS TYPE R11 28mm f/3.5— 6 ELEMENTS / 6 GROUPS, 28.000 mm DESIGN EFL

Panasonic(18)

Japanese electronics conglomerate whose Lumix camera division co-founded the Micro Four Thirds mirrorless standard with Olympus and the L-mount Alliance with Leica and Sigma, producing LUMIX G and LUMIX S lens lines that blend Panasonic optical engineering with Leica-certified quality standards.

PANASONIC LEICA DG NOCTICRON 42.5mm f/1.2 ASPH POWER O.I.S.— 14 elements / 11 groups, f = 41.6508 mm patent; 42.5 mm marketedPANASONIC LEICA DG SUMMILUX 12mm f/1.4 ASPH.— 15 elements / 12 groups, 12 mm nominal; f = 11.9795 mm designPANASONIC LEICA DG SUMMILUX 15mm f/1.7 ASPH— 9 ELEMENTS / 7 GROUPS, f ≈ 15.5 mmPANASONIC LEICA DG SUMMILUX 25mm f/1.4 ASPH— 9 ELEMENTS / 7 GROUPS, f ≈ 25.0 mmPANASONIC LEICA DG SUMMILUX 9mm f/1.7 ASPH— 12 ELEMENTS / 9 GROUPS, f ≈ 9.35 mmPANASONIC LUMIX G 14mm f/2.5 II ASPH— 6 elements / 5 groups, f = 14.5456 mm design; 14 mm nominalPANASONIC LUMIX G 25mm f/1.7 ASPH.— 8 elements / 7 groups, f = 25.878 mm design / 25 mm nominalPANASONIC LUMIX G FISHEYE 8mm f/3.5— 10 ELEMENTS / 9 GROUPS, f = 7.850 mm patent / 8 mm marketedPANASONIC LUMIX G VARIO 7-14mm f/4 ASPH.— 16 elements / 12 groups, 7.2006-13.6229 mm patent EFLPANASONIC LUMIX S 20-60mm f/3.5-5.6— 11 ELEMENTS / 9 GROUPS, f = 20.8–57.6 mmPANASONIC LUMIX S 24-105mm f/4 MACRO O.I.S.— 16 ELEMENTS / 13 GROUPS, DESIGN f = 25.003-100.569 mmPANASONIC LUMIX S 35mm f/1.8— 11 ELEMENTS / 9 GROUPS, f ≈ 33.8 mmPANASONIC LUMIX S 70-300mm f/4.5-5.6 MACRO O.I.S.— 17 ELEMENTS / 11 GROUPS, 7 ZOOM GROUPS (+/−/+/+/−/+/−)PANASONIC LUMIX S PRO 16-35mm f/4— 12 LENS ELEMENTS / 9 GROUPS, 16.5534-33.8782 mm DESIGNPANASONIC LUMIX S PRO 24-70mm f/2.8— 18 ELEMENTS / 16 GROUPS, DESIGN 24.840-67.551 mmPANASONIC LUMIX S PRO 50mm f/1.4— 13 ELEMENTS / 11 GROUPS, f ≈ 49.0 mmPANASONIC LUMIX S PRO 70-200mm f/2.8 O.I.S.— 22 ELEMENTS / 17 GROUPS, MODELED f = 72.46–193.02 mmPANASONIC LUMIX S PRO 70-200mm f/4 O.I.S.— 23 ELEMENTS / 17 GROUPS, DESIGN f = 72.50-193.95 mm

Pentax(39)

Japanese SLR pioneer whose Asahi Optical Co. produced Japan's first 35 mm SLR, popularized through-the-lens metering, designed the open K-mount, and continues today under Ricoh Imaging as a deliberately independent DSLR and medium-format brand.

HD PENTAX-D FA 150-450mm f/4.5-5.6 ED DC AW— Marketed 150–450mm f/4.5–5.6, Design f = 153.50–440.00 mmHD PENTAX-DA 16-85mm f/3.5-5.6 ED DC WR— 16 ELEMENTS / 12 GROUPS, 16-85mm f/3.5-5.6 (marketing)HD PENTAX-DA 18-50mm f/4-5.6 DC WR RE— 11 ELEMENTS / 8 GROUPS, 18-50mm F4-5.6HD PENTAX-DA 20-40mm f/2.8-4 ED Limited DC WR— 9 ELEMENTS / 8 GROUPS, 20–40mm f/2.8–4 (production)HD PENTAX-DA645 28-45mm f/4.5 ED AW SR— 17 PHYSICAL LENSES / 12 GROUPS, 28-45mm f/4.5 MARKETEDPENTAX 110 24mm f/2.8— 6 ELEMENTS / 5 GROUPS, f ≈ 24.0 mmPENTAX 110 50mm f/2.8— 5 ELEMENTS / 5 GROUPS, f ≈ 50.0 mmPENTAX DA 21mm f/3.2 AL Limited— 8 elements / 5 groups, f = 21.60 mm design; 21 mm nominalPENTAX DA 35mm f/2.8 Macro Limited— 9 elements / 8 groups, 35 mm marketed; 34.41 mm patent EFLPENTAX DA 70mm f/2.4 Limited— 6 elements / 5 groups, 70 mm (scaled from patent f=67.74)PENTAX DA* 16-50mm f/2.8 ED AL[IF] SDM— 15 ELEMENTS / 12 GROUPS, f = 16.48–48.50 mm (2.94×)PENTAX DA* 50-135mm f/2.8 ED [IF] SDM— 18 ELEMENTS / 14 GROUPS, f = 51.5–131.0 mm (patent) / 50–135 mm (marketing)PENTAX F 85mm f/2.8 Soft— 5 ELEMENTS / 4 GROUPS, f ≈ 85.0 mmPENTAX FA 31mm f/1.8 AL Limited— 9 ELEMENTS / 7 GROUPS, f ≈ 31.8 mmPENTAX HD D FA 21mm f/2.4 ED Limited DC WR— 11 elements / 8 groups, f = 21.32 mm designPENTAX HD D FA 28-105mm f/3.5-5.6 ED DC WR— 15 ELEMENTS / 11 GROUPS, PATENT f = 28.70–102.38 mmPENTAX HD D FA* 50mm f/1.4 SDM AW— 15 elements / 9 groups, f = 49.57 mm designPENTAX HD D FA* 70-200mm f/2.8 ED DC AW— 19 ELEMENTS / 15 GROUPS (PATENT), 19 ELEMENTS / 16 GROUPS (MARKETED)PENTAX HD D FA* 85mm f/1.4 ED SDM AW— 12 elements / 10 groups, f = 83.41 mm design; 85 mm marketedPENTAX HD D FA645 35mm f/3.5 AL [IF]— 10 PHYSICAL ELEMENTS / 8 PATENT GROUPS, PATENT DESIGN f = 36.000 mmPENTAX HD D FA645 MACRO 90mm f/2.8 ED AW SR— 11 ELEMENTS / 9 GROUPS, f = 90.116 mm (DESIGN)PENTAX HD DA* 11-18mm f/2.8 ED DC AW— 16 ELEMENTS / 11 GROUPS, 11–18 mm MARKETING / 11.25–17.70 mm DESIGNPENTAX SMC 67 Macro 100mm f/4— 6 elements / 4 groups, f = 99.97 mmPENTAX SMC A 645 45mm f/2.8— 45mm f/2.8, 9 elements / 8 groupsPENTAX SMC D FA645 25mm f/4 AL[IF] SDM AW— 12 REFRACTIVE ELEMENTS / 7 MODELED GROUPS, f = 25.6946 mm (DESIGN)PENTAX SMC DA 16-45mm f/4 ED AL— 13 ELEMENTS / 10 GROUPS, 16-45 mm f/4 MARKETINGPENTAX SMC DA 17-70mm f/4 AL [IF] SDM— 17 ELEMENTS / 12 GROUPS, DESIGN 17.50–67.89 mmPENTAX SMC DA 18-55mm f/3.5-5.6 AL— 12 ELEMENTS / 9 GROUPS, 18-55mm f/3.5-5.6 (marketing)PENTAX SMC FA 645 120mm f/4 Macro— 9 elements / 7 groups, 120 mm marketed; 123.09 mm patent EFLPENTAX SMC PENTAX-A★ 135mm f/1.8— 7 elements / 6 groups, f = 134.99 mmPENTAX SMC PENTAX-A★ 200mm f/4 MACRO ED— 10 elements / 9 groups, f = 199.98 mm designPENTAX SMC PENTAX-FA 28mm f/2.8 Soft— 5 elements / 5 groups, f = 28 mmPENTAX SUPER-TAKUMAR 135mm f/2.5— 5 ELEMENTS / 4 GROUPS, 135mm f/2.5 MARKETEDPENTAX SUPER-TAKUMAR 28mm f/3.5— 7 ELEMENTS / 7 GROUPS, f = 28.000 mmPENTAX SUPER-TAKUMAR 35mm f/2— 8 ELEMENTS / 7 GROUPS, f = 35.000 mmPENTAX ULTRA-ACHROMATIC-TAKUMAR 85mm f/4.5— 5 ELEMENTS / 5 GROUPS, f = 85mm (PATENT f = 100mm × 0.85)PENTAX-02 STANDARD ZOOM 5-15mm f/2.8-4.5— 8 ELEMENTS / 7 PHYSICAL GROUPS, MARKETED 5-15mm f/2.8-4.5PENTAX-06 TELEPHOTO ZOOM 15-45mm f/2.8— 14 ELEMENTS / 10 GROUPS, MARKETED 15-45mm f/2.8SMC PENTAX-A ZOOM 35-70mm f/4— 7 ELEMENTS / 7 GROUPS, 35-70mm f/4 (MARKETED)

Ricoh(9)

Creator of the GR series — compact cameras with premium wide-angle lenses designed for street photography, known for exceptional sharpness and minimal distortion in a pocketable form.

RICOH GR LENS 18.3mm f/2.8 (Ricoh GR / GR II)— 7 ELEMENTS / 5 GROUPS, f ≈ 18.3 mmRICOH GR LENS 18.3mm f/2.8 (Ricoh GR III)— 6 ELEMENTS / 4 GROUPS, f ≈ 18.3 mm (28 mm equiv.)RICOH GR LENS 18.3mm f/2.8 (Ricoh GR IV)— 7 ELEMENTS / 5 GROUPS, f ≈ 18.35 mmRICOH GR LENS 26.1mm f/2.8 (Ricoh GR IIIx)— 7 ELEMENTS / 5 GROUPS, f ≈ 26.1 mmRICOH GR LENS 28mm f/2.8 (Ricoh GR1)— 7 ELEMENTS / 4 GROUPS, f ≈ 28.1 mmRICOH GR LENS 6.0mm f/1.9 (Ricoh GR DIGITAL III)— 8 ELEMENTS / 6 GROUPS, 6.0 mmRICOH GR LENS 6.0mm f/1.9 (Ricoh GR DIGITAL IV)— 8 ELEMENTS / 6 GROUPS, 6.0 mmRICOH GR LENS A12 28mm f/2.5 (Ricoh GXR A12)— 8 ELEMENTS / 6 GROUPS, f = 18.28 mm (28 mm equiv.)RICOH LENS A16 24-85mm F3.5-5.5— 11 ELEMENTS / 9 GROUPS, 15.7-55.5 mm actual (24-85 mm equivalent)

Rodenstock(9)

German optical manufacturer founded by Josef Rodenstock, historically important for large-format view-camera lenses, enlarging lenses, process optics, and modern high-resolution digital-back lenses under the Sironar, Apo-Ronar, Grandagon, Rodagon, and Digaron names.

RODENSTOCK APO-SIRONAR-W 150mm f/5.6— 150mm marketed / 148.7mm design, f/5.6RODENSTOCK GERONAR 210mm f/6.8— 3 elements / 3 groups, f' = 210.10 mm (d-line)RODENSTOCK GRANDAGON-N 65mm f/4.5— 8 ELEMENTS / 4 GROUPS, f′ = 65 mm; EFL ≈ 64.83 mmRODENSTOCK GRANDAGON-N 75mm f/4.5— 8 elements / 4 groups, f′ = 75 mmRODENSTOCK GRANDAGON-N 75mm f/6.8— 6 ELEMENTS / 4 GROUPS, f = 75 mmRODENSTOCK GRANDAGON-N 90mm f/4.5— 8 ELEMENTS / 4 GROUPS, f′ = 90 mm patent exampleRODENSTOCK RODAGON-WA 80mm f/4— 6 elements / 4 groups, f ≈ 79.95 mm (d-line)RODENSTOCK ROGONAR-S 50mm f/2.8— 4 ELEMENTS / 3 GROUPS, f = 50.0 mmRODENSTOCK SIRONAR-N 100mm f/5.6— 6 elements / 4 groups, f′ = 99.998 mm, e-line

Samsung(3)

South Korean electronics group whose Samsung Electronics imaging division built compact cameras, Pentax-partnered DSLRs, and the ambitious NX mirrorless system with native APS-C and NX Mini lenses.

SAMSUNG 20mm f/2.8— 6 ELEMENTS / 4 GROUPS, 20.2898 mm MODELED EFLSAMSUNG 30mm f/2— 5 ELEMENTS / 5 GROUPS, DESIGN f = 30.756 mmSAMSUNG 45mm f/1.8— 7 ELEMENTS / 6 GROUPS, 45mm f/1.8 (MARKETED)

Samyang(3)

South Korean third-party lens manufacturer, now LK Samyang, known for affordable manual-focus primes, Rokinon-branded export lenses, XEEN cinema optics, and an expanding autofocus mirrorless lineup.

SAMYANG AF 18mm f/2.8 FE— 9 elements / 8 groups, f = 18.541 mm patent; 18.548 mm computedSAMYANG AF 35-150mm f/2-2.8 FE / L— 21 physical elements / 18 groups, Patent EFL 35.989-146.969 mmSAMYANG AF 85mm f/1.4 FE— 11 elements / 8 groups, f = 83.996 mm design / 85 mm marketed

Schneider-Kreuznach(6)

German optical manufacturer renowned for large-format view-camera lenses (Symmar, Super-Angulon, Apo-Symmar), enlarging optics (Componon), and modern cinema and industrial lenses produced from its Bad Kreuznach factory.

SCHNEIDER-KREUZNACH APO-SYMMAR 100mm f/5.6— 6 ELEMENTS / 4 GROUPS, f ≈ 103.0 mm (d-line)SCHNEIDER-KREUZNACH SUPER-ANGULON 75mm f/5.6— 8 ELEMENTS / 4 GROUPS, f ≈ 75.1 mmSCHNEIDER-KREUZNACH SUPER-ANGULON 90mm f/8— 6 ELEMENTS / 4 GROUPS, f = 90.3 mmSCHNEIDER-KREUZNACH SUPER-SYMMAR HM 120mm f/5.6— 8 ELEMENTS / 6 GROUPS, f = 121.6 mm (SCALED PATENT MODEL)SCHNEIDER-KREUZNACH SUPER-SYMMAR XL 110mm f/5.6 ASPHERIC— 6 ELEMENTS / 5 GROUPS (PATENT), f ≈ 110.6 mm (e-line)SCHNEIDER-KREUZNACH TECHNIKA SUPER-ANGULON 75mm f/8— 6 ELEMENTS / 4 GROUPS, f = 76.51 mm (75 mm nominal)

Sigma(27)

Japanese third-party lens maker whose Global Vision Art / Contemporary / Sport line repositioned the brand as a premium optical designer, complemented by the Foveon X3-sensor SD and dp camera lines and the L-mount fp full-frame mirrorless body.

SIGMA 10-18mm f/2.8 DC DN | Contemporary— 13 elements / 10 groups, 10.30-17.50 mm design EFLSIGMA 105mm f/1.4 DG HSM | Art— 17 elements / 12 groups, f = 101.85 mm designSIGMA 14-24mm f/2.8 DG HSM | Art— 17 elements / 11 groups, 14.50-23.15 mm designSIGMA 14mm f/4 (Sigma dp0 Quattro)— 11 ELEMENTS / 8 GROUPS, f ≈ 13.97 mmSIGMA 16.6mm f/4 (Sigma DP1x)— 6 elements / 5 groups, f = 16.6 mm (design 16.67 mm)SIGMA 16mm f/1.4 DC DN | Contemporary— 16 elements / 13 groups, f = 16.446 mm design; 16 mm marketedSIGMA 17-40mm f/1.8 DC | Art— 17 elements / 11 groups, 4 SLD / 4 aspherical elementsSIGMA 20mm f/1.4 DG HSM | Art— 15 elements / 11 groups, Patent f = 20.69 mmSIGMA 23mm f/1.4 DC DN | Contemporary— 13 elements / 10 groups, f = 22.31 mm design; 23 mm marketedSIGMA 24mm f/1.4 DG DN | Art— 17 elements / 14 groups, f = 23.86 mm patent / 24 mm nominalSIGMA 24mm f/2.8 (Sigma DP2x)— 7 ELEMENTS / 6 GROUPS, f ≈ 24.1 mmSIGMA 28-45mm f/1.8 DG DN | Art— 18 elements / 15 groups, 28.84-43.66 mm design EFLSIGMA 30mm f/1.4 DC HSM | Art— 9 elements / 8 groups, f = 30.785 mm designSIGMA 30mm f/2.8 (Sigma DP2 Merrill)— 8 ELEMENTS / 6 GROUPS, f ≈ 29.6 mmSIGMA 35mm f/1.4 DG DN | Art— 15 ELEMENTS / 11 GROUPS, f ≈ 33.72 mm (35 mm marketed)SIGMA 35mm f/1.4 DG HSM | Art— 13 elements / 11 groups, f = 35.16 mm designSIGMA 40mm f/1.4 DG HSM | Art— 16 ELEMENTS / 12 GROUPS, f ≈ 41.2 mmSIGMA 45mm f/2.8 DG DN | Contemporary— 8 elements / 7 groups, f = 43.93 mm design / 45 mm marketedSIGMA 50mm f/1.4 DG DN | Art— 14 ELEMENTS / 11 GROUPS, f = 48.72 mmSIGMA 50mm f/1.4 DG HSM | Art— 13 elements / 8 groups, f = 49.58 mm designSIGMA 50mm f/2.8 (Sigma DP3 Merrill)— 10 ELEMENTS / 8 GROUPS, f ≈ 48.7 mmSIGMA 60mm f/2.8 DN | Art— 8 elements / 6 groups, f = 60.00 mm patent designSIGMA 85mm f/1.4 DG DN | Art— 15 ELEMENTS / 11 GROUPS, f ≈ 82.96 mm (design)SIGMA 85mm f/1.4 DG HSM | Art— 14 ELEMENTS / 12 GROUPS, f ≈ 83.4 mmSIGMA APO Macro 105mm f/2.8 EX DG OS HSM— 16 elements / 11 groups, 105 mm marketed; 101.71 mm designSIGMA APO MACRO 150mm f/2.8 EX DG OS HSM— 19 elements / 13 groups, f = 149.99 mm design / 150 mm nominalSIGMA APO Macro 180mm f/2.8 EX DG OS HSM— 19 elements / 14 groups, 180 mm f/2.8 marketed; 174.60 mm f/2.92 design

Sony(36)

Japanese electronics conglomerate whose camera division — built on Konica Minolta's DSLR business and Sony's own CMOS-sensor expertise — established the E-mount full-frame mirrorless system and the G Master and ZA Carl Zeiss premium lens lines.

SONY 70-400mm f/4-5.6 G SSM II— 18 ELEMENTS / 12 GROUPS, PATENT 72.06-388.09mmSONY DT 16-50mm f/2.8 SSM— 16 ELEMENTS / 13 GROUPS, PATENT f = 16.48-48.50 mmSONY E 18-200mm f/3.5-6.3 OSS LE— 17 PHYSICAL LENS PIECES / 13 PATENT AIR-SPACED GROUPS, MARKETED 18-200mm f/3.5-6.3SONY E 18-55mm f/3.5-5.6 OSS— 11 elements / 9 groups, 18-55mm f/3.5-5.6 marketedSONY E 20mm f/2.8— 6 ELEMENTS / 6 GROUPS, 4 POWER GROUPS (+/−/+/−)SONY E 30mm f/3.5 Macro— 30 mm f/3.5 APS-C E-mount, JP 2012-159613 A Example 1SONY E 35mm f/1.8 OSS— 8 elements / 6 groups, f = 34.914 mmSONY E 50mm f/1.8 OSS— 9 ELEMENTS / 8 GROUPS, 50mm MARKETED / 51.30mm DESIGNSONY E PZ 16-50mm f/3.5-5.6 OSS— 9 ELEMENTS / 8 GROUPS, 16-50mm f/3.5-5.6 (MARKETED)SONY FE 12-24mm f/2.8 GM— 17 elements / 14 groups, f = 12.36-23.28 mm designSONY FE 135mm f/1.8 GM— 13 ELEMENTS / 10 GROUPS, f ≈ 131.0 mmSONY FE 14mm f/1.8 GM— 14 elements / 11 groups, f = 14.42 mm designSONY FE 16-35mm f/2.8 GM II— 15 elements / 12 groups, 6 zoom groups: - + + + - +SONY FE 20-70mm f/4 G— 16 ELEMENTS / 13 GROUPS, f = 20.71–67.56 mmSONY FE 20mm f/1.8 G— 14 ELEMENTS / 12 GROUPS, 20 mm (scaled from 19.5069 mm paraxial)SONY FE 24-70mm f/2.8 GM II— 20 ELEMENTS / 15 GROUPS, f = 24.72–67.90 mmSONY FE 24mm f/1.4 GM— 13 elements / 10 groups, f = 23.66 mm patent designSONY FE 24mm f/2.8 G— 8 ELEMENTS / 7 GROUPS, Patent f = 24.710 mmSONY FE 28-70mm f/2 GM— 20 ELEMENTS / 14 GROUPS, f = 28.86–67.87 mmSONY FE 28-70mm f/3.5-5.6 OSS— 28-70mm f/3.5-5.6, 9 elements / 8 groupsSONY FE 28mm f/2— 9 elements / 8 groups, f = 28.23 mm patent designSONY FE 70-200mm f/2.8 GM OSS— 23 elements / 18 groups, 70-200 mm marketed; 72.10-193.99 mm designSONY FE 70-200mm f/2.8 GM OSS II— 17 ELEMENTS / 14 GROUPS, f = 72.1–194.0 mmSONY FE 70-200mm f/4 G OSS— 21 elements / 15 groups, 70–200mm f/4 marketedSONY FE 85mm f/1.4 GM II— 14 ELEMENTS / 11 GROUPS, f ≈ 82.5 mmSONY FE 90mm f/2.8 Macro G OSS— 15 ELEMENTS / 11 GROUPS, f ≈ 92.6 mmSONY FE PZ 16-35mm f/4 G— 13 ELEMENTS / 12 GROUPS, 16.48-33.96 mm PATENT ZOOM STATESSONY PLANAR T* 50mm f/1.4 ZA SSM— 8 ELEMENTS / 5 GROUPS, f = 51.5 mmSONY PLANAR T* FE 50mm f/1.4 ZA— 12 ELEMENTS / 9 GROUPS, f ≈ 50.3 mmSONY SONNAR T* E 24mm f/1.8 ZA— 8 ELEMENTS / 7 GROUPS, f ≈ 23.3 mmSONY SONNAR T* FE 35mm f/2.8 ZA— 7 ELEMENTS / 5 GROUPS, f ≈ 36.1 mmSONY SONNAR T* FE 55mm f/1.8 ZA— 7 ELEMENTS / 5 GROUPS, f ≈ 53.6 mmSONY VARIO-SONNAR T* 24-70mm f/2.8 ZA SSM— 17 ELEMENTS / 13 GROUPS, 24-70mmSONY VARIO-SONNAR T* DT 16-80mm f/3.5-4.5 ZA— 14 ELEMENTS / 10 GROUPS, MARKETED 16-80mm f/3.5-4.5SONY VARIO-TESSAR T* E 16-70mm f/4 ZA OSS— 16 ELEMENTS / 12 PHYSICAL GROUPS, 6 FUNCTIONAL ZOOM GROUPSSONY VARIO-TESSAR T* FE 16-35mm f/4 ZA OSS— 12 ELEMENTS / 10 GROUPS, PATENT f = 16.48 / 24.07 / 33.95 mm

Tamron(18)

Japanese optical manufacturer known for interchangeable third-party camera lenses, the adaptable T-mount and Adaptall systems, SP performance optics, long-running 90 mm macro lenses, and compact high-ratio zooms.

TAMRON 14-150mm f/3.5-5.8 Di III (C001)— 17 ELEMENTS / 13 GROUPS, PATENT 14.43-145.40 mmTAMRON 18-200mm f/3.5-6.3 Di III VC (B011)— 17 ELEMENTS / 13 GROUPS, 18.50-194.00 mm PATENT EFLTAMRON 18-400mm f/3.5-6.3 Di II VC HLD— 16 ELEMENTS / 11 GROUPS, 18-400mm MARKETING / 18.5105-389.00mm PATENTTAMRON 28-300mm f/3.5-6.3 Di VC PZD— 19 ELEMENTS / 15 GROUPS, 28-300mm marketed; 28.776-291.262mm patent statesTAMRON 50-300mm f/4.5-6.3 Di III VC VXD— 19 ELEMENTS / 14 GROUPS, PATENT f = 51.509-290.867 mmTAMRON 70-180mm f/2.8 Di III VXD— 19 ELEMENTS / 14 GROUPS, 70-180mm f/2.8 MARKETEDTAMRON AF 28-200mm SUPER XR f/3.8-5.6 Aspherical [IF] MACRO— 28-200mm marketing / 29.07-193.0mm patent design, 15 PHYSICAL LENS PIECES / 14 GROUPSTAMRON AF 28-300mm f/3.5-6.3 XR Di LD Aspherical [IF] MACRO— 28-300mm marketed / 28.9958-289.5284mm modeled, f/3.5-6.3 marketed / f/3.5000-6.5122 modeled wide-openTAMRON SP 150-600mm f/5-6.3 Di VC USD (A011)— 20 ELEMENTS / 13 GROUPS, PATENT ZOOM POINTS 152.1633-582.5200 mmTAMRON SP 24-70mm f/2.8 Di VC USD— 17 physical elements / 12 groups (18 modeled media), 24.7-67.799 mm design / 24-70 mm marketedTAMRON SP 70-200mm f/2.8 Di VC USD— 23 ELEMENTS / 17 GROUPS, 70-200mm f/2.8 (MARKETING)TAMRON SP 70-300mm f/4-5.6 Di VC USD— 17 ELEMENTS / 12 GROUPS, DESIGN 71.75–292.00mmTAMRON SP 90mm f/2.8 Di MACRO 1:1 VC USD (F004)— 14 ELEMENTS / 11 GROUPS, f = 92.556 mm (COMPUTED)TAMRON SP AF 180mm f/3.5 Di LD [IF] MACRO 1:1 (B01)— 14 ELEMENTS / 11 GROUPS, PATENT f = 176.9587 mm; DATA SCALED TO 180 mmTAMRON SP AF 200-500mm f/5-6.3 Di LD [IF]— 13 ELEMENTS / 10 GROUPS, 200-500mm f/5-6.3TAMRON SP AF 28-75mm f/2.8 XR Di LD Aspherical [IF] MACRO— 16 ELEMENTS / 14 GROUPS, DESIGN f = 28.87-72.65 mmTAMRON SP AF 60mm f/2 Di II LD [IF] MACRO 1:1 (G005)— 14 ELEMENTS / 10 GROUPS, 60mm f/2 (MARKETED)TAMRON SP AF 70-200mm f/2.8 Di LD [IF] MACRO— 18 ELEMENTS / 13 GROUPS, 70-200mm f/2.8 (MARKETING)

Vivitar(6)

American photographic brand best known for the Series 1 line of high-performance lenses developed in the 1970s and early 1980s, designed by prominent optical engineers including Ellis Betensky and produced by Japanese manufacturers under contract.

VIVITAR SERIES 1 135mm f/2.3 AUTO TELEPHOTO— 6 ELEMENTS / 6 GROUPS, f = 135.21 mmVIVITAR SERIES 1 200mm f/3.0 VMC— 6 elements / 6 groups, Sonnar-type telephoto with fixed rear correctorVIVITAR SERIES 1 35-85mm f/2.8 VMC— 12 ELEMENTS / 9 GROUPS, f ≈ 38.5–89.1 mm (patent: 36–83 mm)VIVITAR SERIES 1 450mm f/4.5 VMC ASPHERICAL MIRROR— 10 POWERED COMPONENTS / 7 GROUPS, f = 437.4 mm (PATENT)VIVITAR SERIES 1 70-210mm f/2.8-4 VMC— 14 ELEMENTS / 10 GROUPS, f = 72.1–203.8 mmVIVITAR SERIES 1 70-210mm f/3.5 VMC MACRO FOCUSING AUTO ZOOM— 15 ELEMENTS / 10 GROUPS, 70-210mm (PATENT 70-205mm)

Voigtländer(27)

The oldest name in optics, now producing high-performance manual-focus lenses under Cosina that combine classic optical formulas with modern glass technology and extreme apertures.

VOIGTLÄNDER APO-LANTHAR 180mm f/4 SL Close Focus— 9 ELEMENTS / 7 GROUPS, f ≈ 197.9 mm (patent) / 180 mm (marketed)VOIGTLÄNDER APO-LANTHAR 28mm f/2 Aspherical VM— 12 ELEMENTS / 8 GROUPS, 28mm f/2 (PRODUCTION)VOIGTLÄNDER APO-LANTHAR 50mm f/2.0 Aspherical— 10 ELEMENTS / 8 GROUPS, f ≈ 49.3 mmVOIGTLÄNDER APO-LANTHAR 50mm f/3.5 (Type II) VM— 8 ELEMENTS / 6 GROUPS, EFL 49.101 mm MODEL / 49.10 mm PATENTVOIGTLÄNDER APO-SKOPAR 90mm f/2.8 VM / SL IIs— 7 ELEMENTS / 7 GROUPS, EFL 87.261 mm MODEL / 87.30 mm PATENTVOIGTLÄNDER APO-ULTRON 90mm f/2 VM— 8 ELEMENTS / 7 GROUPS, 90mm f/2 (MARKETED)VOIGTLÄNDER COLOR-HELIAR 105mm f/3.5 (Voigtländer Bessa II)— 5 ELEMENTS / 3 GROUPS, f = 104.999 mm (MODELED)VOIGTLÄNDER COLOR-SKOPAR 105mm f/3.5 (Voigtländer Bessa II)— 4 ELEMENTS / 3 GROUPS, f = 104.999mmVOIGTLÄNDER COLOR-SKOPAR 28mm f/2.8 Aspherical— 8 ELEMENTS / 5 GROUPS, f ≈ 28.900 mmVOIGTLÄNDER COLOR-SKOPAR 28mm f/2.8 Aspherical SL IIs— 7 ELEMENTS / 6 GROUPS, EFL 29.430 mm MODEL / 29.4 mm PATENTVOIGTLÄNDER COLOR-SKOPAR 35mm f/3.5 Aspherical— 6 ELEMENTS / 4 GROUPS, 35mm f/3.5 (35.741mm f/3.58 design)VOIGTLÄNDER DYNAR 100mm f/6— 5 ELEMENTS / 3 GROUPS, PATENT NORMALIZATION fD = 100VOIGTLÄNDER HELIAR (Symmetric) f/4— 5 ELEMENTS / 3 GROUPS, f = 100 (normalized)VOIGTLÄNDER HELIAR 100mm f/4.5 (Second Asymmetric Form)— 5 ELEMENTS / 3 GROUPS, f = 99.858 mm DESIGNVOIGTLÄNDER MACRO APO-LANTHAR 125mm f/2.5 SL— 10 ELEMENTS / 9 GROUPS, f = 125.0 mmVOIGTLÄNDER NOKTON 35mm f/1.2 Aspherical— 10 ELEMENTS / 7 GROUPS, f ≈ 35.8 mmVOIGTLÄNDER NOKTON 50mm f/1.0— 9 ELEMENTS / 7 GROUPS, f = 49.998 mmVOIGTLÄNDER NOKTON 50mm f/1.2 X-Mount— 9 ELEMENTS / 8 GROUPS, f ≈ 48.5 mmVOIGTLÄNDER NOKTON 50mm f/1.5— 7 ELEMENTS / 5 GROUPS, f = 49.9999 mm (DESIGN)VOIGTLÄNDER NOKTON 60mm f/0.95— 11 ELEMENTS / 8 GROUPS, EFL 58.145 mm MODEL / 58.15 mm PATENTVOIGTLÄNDER NOKTON Vintage Line 50mm f/1.5 Aspherical II VM— 8 ELEMENTS / 7 GROUPS, EFL 49.598 mm MODEL / 49.60 mm PATENTVOIGTLÄNDER NOKTON Vintage Line 75mm f/1.5 Aspherical VM— 7 ELEMENTS / 6 GROUPS, EFL 74.503 mm MODEL / 74.5 mm PATENTVOIGTLÄNDER PORTRAIT HELIAR 75mm f/1.8— 6 ELEMENTS / 3 GROUPS, 75 mm marketing · 73.356 mm sharp-state EFLVOIGTLÄNDER TELOMAR 100mm f/5.5— 5 ELEMENTS / 4 GROUPS, DESIGN f = 101.259 mmVOIGTLÄNDER ULTRON 27mm f/2— 6 ELEMENTS / 4 GROUPS, PATENT f = 27.8000 mmVOIGTLÄNDER ULTRON 50mm f/2— 6 ELEMENTS / 5 GROUPS, f ≈ 50.0 mmVOIGTLÄNDER ULTRON Vintage Line 28mm f/2 Aspherical— 10 ELEMENTS / 7 GROUPS, f = 28.50 mm

Yashica(3)

Japanese camera maker whose Yashikor, Yashinon, and Tomioka-linked optics supported popular TLRs, Electro rangefinders, M42 SLRs, and the Contax/Yashica SLR ecosystem before Kyocera exited cameras.

YASHICA ML 24mm f/2.8— 9 ELEMENTS / 8 GROUPS, 24mm f/2.8YASHICA ML 300mm f/5.6 C— 6 ELEMENTS / 3 GROUPS, 300mm f/5.6YASHICA YASHINON-DX 21mm f/3.3— 8 ELEMENTS / 5 GROUPS, 21mm