NIKON AI NIKKOR 35mm f/2 — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AI NIKKOR 35mm f/2NIKON AI NIKKOR 35mm f/2US 3,507,558 — Yoshiyuki Shimizu / Nippon Kogaku
35 mm
f/2
8 elements / 6 groups
62° diagonal
Nikon F
Focus MechanismUnit focusing: all eight elements move as a rigid optical cell; no close-range correction group.
Optical Elements (8)ElementTypeGlass
L1Plano-Convex PositiveS-LAL8 / N-LAK8 class (713/539 lanthanum crown)
L2Negative MeniscusN-BK7 class (517/642 borosilicate crown)
L3Biconvex PositiveJ-BASF6 / BaSF6 class (668/419 dense barium flint)
L4Biconcave NegativeLegacy 515/546 crown/light-flint class (exact melt uncertain)
L5Biconcave NegativeSF56A class (785/261 dense flint)
L6Biconvex PositiveLegacy 744/494 lanthanum-flint class (exact melt uncertain)
L7Positive MeniscusLegacy 767/462 dense lanthanum-flint class (exact melt uncertain)
L8Biconvex PositiveLAF2 / N-LAF2 class (744/449 lanthanum flint)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L1	Plano-Convex Positive	S-LAL8 / N-LAK8 class (713/539 lanthanum crown)
L2	Negative Meniscus	N-BK7 class (517/642 borosilicate crown)
L3	Biconvex Positive	J-BASF6 / BaSF6 class (668/419 dense barium flint)
L4	Biconcave Negative	Legacy 515/546 crown/light-flint class (exact melt uncertain)
L5	Biconcave Negative	SF56A class (785/261 dense flint)
L6	Biconvex Positive	Legacy 744/494 lanthanum-flint class (exact melt uncertain)
L7	Positive Meniscus	Legacy 767/462 dense lanthanum-flint class (exact melt uncertain)
L8	Biconvex Positive	LAF2 / N-LAF2 class (744/449 lanthanum flint)