NIKKOR-S Auto 1:2.8 f=3.5cm No.920104
- «Nippon Kogaku Japan», production year 1959
- 4th lens produced (first 3.5cm lens was No.920101)
- 7 elements in 5 groups, picture angle 62°
- chrome front ring, filter ∅ 52mm
- focusing ring with tick marks
- distance scale graduated in feet from 1 ft. (0.3m) to infinity (∞)
- infrared mark: red dot and red «R»
- no «LENS MADE IN JAPAN»
- «PAT.PEND.» on chrome lens barrel
- aperture ring with tick marks
- aperture scale f/2.8 to f/16, 9 iris blades
- bayonet with recess, no bayonet screws
- dimensions approx. 62mm ∅ x 68mm
- weight approx. 200g
- NIPPON KOGAKU 52mm snap-on front lens cap
- NIPPON KOGAKU F rear lens cap
- NIPPON KOGAKU F 52mm screw-in lens hood, «f=3.5cm 1:2.8»
- NIPPON KOGAKU L38 52mm screw-in filter, chrome rim
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