NIKKOR-S Auto 1:2 f=5cm No.523465
- «Nippon Kogaku Japan»
- production year 1959
- first 5cm lens was No.520201
- 7 elements in 5 groups
- picture angle 46°
- chrome front ring, filter ∅ 52mm
- focusing ring with tick marks
- distance scale graduated in feet from 2 ft. to ∞
- 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 to f/16
- 9 iris blades
- bayonet with recess, no bayonet screws
- dimensions approx. 61mm ∅ x 50mm
- weight approx. 200g
- NIPPON KOGAKU 52mm snap-on front lens cap
- NIPPON KOGAKU F rear lens cap
- NIPPON KOGAKU F 52mm snap-on lens hood, «f=5cm 1:2», «US.PAT. J.PAT. PEND.»
- NIPPON KOGAKU L39 52mm screw-in filter, chrome rim
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