NIKKOR-QD·C Auto 1:5.6 f=15mm 330042

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«Nikon»
production year 1974
42nd lens of 978 produced (first 15/5.6 C lens mark II was #330001)
14 elements in 12 groups
Picture angle 110°
Black front ring with built-in shade
Distance scale graduated in meters and feet from 0.3m (1 ft.) to infinity (∞)
«LENS MADE IN JAPAN» on black focusing ring
CRC (close-range correction system)
Built-in filters N, Y48, O56, R60
Scalloped aperture setting ring
Aperture scale f/5.6 to f/22
7 iris blades
Bayonet fixed by 5 cross-head screws
Dimensions approx. 92mm ∅ x 88.5mm
Weight approx. 645g
Nikon 90K slip-on front lens cap
Nikon LF-1 rear lens cap
Lens #330042 appears in a 2 page magazine ad from 1974 (thanks to Ron Volmershausen)