NIKON AI ZOOM-NIKKOR 50-135mm f/3.5 S — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AI ZOOM-NIKKOR 50-135mm f/3.5 SNIKON AI ZOOM-NIKKOR 50-135mm f/3.5 SUS 4,497,547↗, Embodiment 1 — Kiyoshi Hayashi
16 elements / 13 groups
51.35-131.5 mm design EFL
f/3.5 constant aperture
47.26°-18.06° patent field
All-spherical Yamaji-type zoom
Focus MechanismFront-group unit focus in production and patent text; patent close-focus spacings are not published, so this file models only the infinity-focus zoom states.
Optical Elements (16 physical)ElementTypeGlass
1L1Negative MeniscusS-TIH6 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
1L2Positive MeniscusS-LAL12 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
1L3Positive MeniscusS-BAH11 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
2L1Plano-Concave NegativeS-LAL14 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
2L2Biconcave NegativeS-LAH64 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
2L3Positive MeniscusS-TIH6 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
3L1Biconcave NegativeS-LAL52 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
3L2Biconvex PositiveS-BAH32 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L1Biconvex PositiveS-LAL8 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L2Positive MeniscusN-SK11 (Schott catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L3Negative MeniscusNBFD2 (Hoya catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L4Biconvex PositiveS-NSL3 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L5Biconcave NegativeJ-LAFH3 (Hikari catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L6Biconvex PositiveN-BK7 (Schott catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L7Negative MeniscusN-BAF10 (Schott catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L8Plano-Convex PositiveS-BAH27 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)

Element	Type	Glass
1L1	Negative Meniscus	S-TIH6 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
1L2	Positive Meniscus	S-LAL12 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
1L3	Positive Meniscus	S-BAH11 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
2L1	Plano-Concave Negative	S-LAL14 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
2L2	Biconcave Negative	S-LAH64 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
2L3	Positive Meniscus	S-TIH6 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
3L1	Biconcave Negative	S-LAL52 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
3L2	Biconvex Positive	S-BAH32 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L1	Biconvex Positive	S-LAL8 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L2	Positive Meniscus	N-SK11 (Schott catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L3	Negative Meniscus	NBFD2 (Hoya catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L4	Biconvex Positive	S-NSL3 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L5	Biconcave Negative	J-LAFH3 (Hikari catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L6	Biconvex Positive	N-BK7 (Schott catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L7	Negative Meniscus	N-BAF10 (Schott catalog spectral proxy; patent nd/vd retained; production supplier unspecified)
4L8	Plano-Convex Positive	S-BAH27 (Ohara catalog spectral proxy; patent nd/vd retained; production supplier unspecified)