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

mouseover to enlarge

«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 only from 4 ft. (1.2m) 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/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