NIKKOR-P Auto 1:2.8 f=180mm No.312020
- «Nippon Kogaku Japan»
- production year 1970
- 10th of approx. 1,350 lenses produced (first 180mm lens was No.312011)
- 5 elements in 4 groups
- picture angle 13°40′
- built-in retractable lens hood with front grip
- black front ring, filter ∅ 72mm
- distance scale graduated in meters and feet from 1.8m (6 ft.) to infinity (∞)
- «LENS MADE IN JAPAN» on black focusing ring («M» with vertical sides)
- scalopped aperture setting ring
- aperture scale f/2.8 to f/32
- 7 iris blades
- bayonet fixed by 5 slot screws
- dimensions approx. 81mm ∅ x 141mm
- weight approx. 880g
- NIKKOR 72mm screw-in front lens cap, black
- NIPPON KOGAKU F rear lens cap
- NIKKOR 72mm L39 screw-in filter, black rim
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