Fisheye-NIKKOR Auto 1:2.8 f=8mm No.230841
- «Nippon Kogaku Japan», production year 1970
- 831st lens produced (first 8/2.8 lens was No.230011)
- 10 elements in 8 groups, picture angle 180°, image size on film: 23mm ∅ circle
- black front ring, cap ∅ 120mm
- 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)
- apertures 2.8 to 22, 7 iris blades
- AI modification (parts set No.56 or 57 or 58)
- turret with built-in filters L1A, Y48, Y52, O56, R60
- bayonet fixed by 5 slotted drive headed screws
- dimensions approx. 123mm ∅ x 140mm
- weight approx. 1,000g
- 120mm screw-in front lens cap, no engraving
- NIPPON KOGAKU F rear lens cap
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