NIKKOR-P Auto 1:2.5 f=10.5cm No.120230

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«Nippon Kogaku Japan», Production year 1959
130th lens produced (first 10.5cm lens was No.120101)
5 elements in 3 groups, picture angle 23°20′
Chrome front ring, filter ∅ 52mm
Focusing ring with tick marks
Distance scale graduated in feet from 4 ft. (1.2m) to infinity (∞)
Infrared mark: red dot and red «R»
No «LENS MADE IN JAPAN» engraving
«PAT.PEND.» on chrome lens barrel
Aperture ring with tick marks
Aperture scale f/2.5 to f/22, 9 iris blades
Bayonet with recess, no bayonet screws
Dimensions approx. 66mm ∅ x 72.7mm
Weight approx. 370g
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