NIKKOR-Q Auto 1:3.5 f=13.5cm No.730954

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«Nippon Kogaku Japan»
production year 1961
first 13.5cm lens was No.720101
4 elements in 3 groups
picture angle 18°
chrome front ring, filter ∅ 52mm
distance scale graduated in meters from 1.5m to infinity (∞)
infrared mark: red dot
no «LENS MADE IN JAPAN» engraving
«PAT.PEND.» on chrome lens barrel
aperture scale f/3.5 to f/22
6 iris blades
no bayonet screws
dimensions approx. 66mm ∅ x 91.7mm
weight approx. 380g
NIKKOR 52mm snap-on front lens cap
NIPPON KOGAKU F rear lens cap
Nikon F 52mm snap-on lens hood, «10.5cm 1:2.5 13.5cm 1:3.5», «U.S.PAT. J.PAT. PEND.,»