NIKKOR-UD Auto 1:3.5 f=20mm No.421610
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- «Nippon Kogaku Japan», Production year 1967
- 370th lens produced (first 20mm lens was No.421241)
- Black front ring, filter ∅ 72mm
- 11 elements in 9 groups, picture angle 94°
- Distance scale graduated in meters and feet from 0.3m (1 ft.) to ∞
- «LENS MADE IN JAPAN» on black focusing ring («M» with vertical sides)
- Scalloped aperture setting ring
- Aperture scale f/3.5 to f/22, 7 iris blades
- Bayonet fixed by 5 slot screws
- Dimensions approx. 75mm ∅ x 69.5mm
- Weight approx. 390g
- NIKKOR 72mm screw-in front lens cap, chrome
- NIPPON KOGAKU F rear lens cap
- 72mm 20/3.5 F NIKKOR screw-in lens hood
- NIKKOR 72mm L39 screw-in filter, chrome rim
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