GN Auto NIKKOR 1:2.8 f=45mm 743520

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«Nikon», Production year 1972
First «Nikon» 45/2.8 lens was #740001
4 elements in 3 groups, Picture angle 51°
Black front ring, filter ∅ 52mm
Focusing ring with reversed direction of rotation
Distance scale graduated in meters and 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)
Aperture scale f/2.8 to f/32, 7 iris blades
Bayonet fixed by 5 cross-head screws
Dimensions approx. 64mm ∅ x 31mm
Weight approx. 150g
Nikon FA-46 52mm snap-on front lens cap
Nikon LF-1 rear lens cap
Nikon HN-4 45/2.8 52mm screw-in lens hood
Nikon L1Bc 52mm screw-in filter, black rim