NIKON AF ZOOM-NIKKOR 28-80mm f/3.3-5.6 G — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AF ZOOM-NIKKOR 28-80mm f/3.3-5.6 GNIKON AF ZOOM-NIKKOR 28-80mm f/3.3-5.6 GUS 5,485,314↗ — Haruo Sato
6 production elements / 6 air-spaced groups
Negative-positive two-group zoom
Patent EFL 28.8-77.6 mm
Marketed f/3.3-5.6
1 hybrid aspherical element
Nikon F / 135 full-frame
Focus MechanismProduction close focus is 0.35 m, but US 5,485,314 publishes only infinity-focus zoom spacings; close focus is therefore not optically modeled.
Optical Elements (6 physical; 7 modeled media)ElementTypeGlass
L1gNegative MeniscusS-LAH66 class (OHARA)
L1rThin Resin Aspherical LayerUV-curing optical resin (patent)
L2Positive MeniscusS-TIH6 class (OHARA)
L3Biconvex PositiveS-BSM81 (OHARA)
L4Positive MeniscusJ-BK7A (HIKARI) / N-BK7 class (SCHOTT)
L5Biconcave Negative795286 - J-LAFH3 (HIKARI; no source-backed catalog match)
L6Biconvex PositiveJ-SF2 / S-TIM22 / N-SF2 class

Element	Type	Glass
L1g	Negative Meniscus	S-LAH66 class (OHARA)
L1r	Thin Resin Aspherical Layer	UV-curing optical resin (patent)
L2	Positive Meniscus	S-TIH6 class (OHARA)
L3	Biconvex Positive	S-BSM81 (OHARA)
L4	Positive Meniscus	J-BK7A (HIKARI) / N-BK7 class (SCHOTT)
L5	Biconcave Negative	795286 - J-LAFH3 (HIKARI; no source-backed catalog match)
L6	Biconvex Positive	J-SF2 / S-TIM22 / N-SF2 class