NIKKOR-Q Auto 1:3.5 f=13.5cm No.720734

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«Nippon Kogaku Japan»
production year 1959
634th lens produced (first 13.5cm lens was No.720101)
4 elements in 3 groups
picture angle 18°
chrome front ring, filter ∅ 52mm
focusing ring with tick marks
distance scale graduated in feet from 5 ft. (1.5m) to infinity (∞)
infrared mark: red dot and red «R»
no «LENS MADE IN JAPAN»
«PAT.PEND.» on chrome lens barrel
aperture ring with tick marks
aperture scale f/3.5 to f/22
9 iris blades
bayonet with recess, no bayonet screws
dimensions approx. 66mm ∅ x 91.7mm
weight approx. 375g
NIPPON KOGAKU 52mm snap-on front lens cap
NIPPON KOGAKU F rear lens cap
NIPPON KOGAKU F 52mm snap-on lens hood, «f=10.5cm 1:2.5 f=13.5cm 1:3.5», «US.PAT. J.PAT. PEND.»
NIPPON KOGAKU L39 52mm screw-in filter, chrome rim