GN Auto NIKKOR 1:2.8 f=45mm No.733783 AI'd

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«Nippon Kogaku Japan»
production year 1970
last 45mm GN type 2 lens was No.733948
4 elements in 3 groups
picture angle 34°50′
black front ring, filter ∅ 52mm
distance scale graduated in meters & feet from 0.8m (3 ft.) to infinity (∞)
«LENS MADE IN JAPAN» on black lens barrel («M» with vertical sides)
coupler for aperture and focusing ring, guide-numbers 10-80 (meters) & 32-250 (feet)
AI modification
aperture scale f/2.8 to f/32, 7 iris blades
bayonet fixed by 5 cross-head screws
dimensions approx. 64mm ∅ x 20mm
weight approx. 140g
NIKKOR 52mm snap-on front lens cap
NIPPON KOGAKU F rear lens cap
52mm 45/2.8 F NIKKOR snap-on lens hood