NIKKOR 20mm 1:4 AI 140491
- «Nikon»
- Production year 1978
- First 20/4 AI lens was #130001 and the last known is #140763
- Picture angle 94°, 10 elements in 8 groups
- Black front ring, filter ∅ 52mm
- Rubber covered focusing ring
- Distance scale graduated in meters and feet from 0.3m (1 ft.) to ∞
- White «LENS MADE IN JAPAN» on black lens barrel
- Cross ribbed aperture setting ring, AI coupled
- Aperture scale f/4 to f/22, 7 iris blades
- Bayonet fixed by 5 cross-head screws
- Dimensions approx. 63.5mm ∅ x 47.5mm
- Weight approx. 210g
- Nikon 52mm snap-on front lens cap
- Nikon LF-1 rear lens cap
- Nikon HK-3 52mm slip-on lens hood with rubber focusing barrel
- Nikon 52mm L1Bc screw-in filter, black rim
Copyright © Richard de Stoutz 2005 - 2025. All rights reserved.