5cm 1:2 nikon rangefinder nikkor-H.C S-mount
see photos, lens has a light cleaning mark on the front, , light oil on the blades visible when stopped down to f/16 , a couple specs of dust internally. slight internal haze
the lock tab on the lens mount has been shortened, tab does not lock in to the mount on the camera.
Nippon Kogaku Japan, 5cm 1:2 Nikkor-H.C no. 620644
