细节
RIKEN OPTICAL CO., Japan
A 16mm. Nice camera no. 1725 with polished chrome body and black leather body covering, side-plate with film advance knob, exposure counter 0-23, direct vision finder and shutter release, front-plate with shutter speed adjustment B and 100 and shutter setting lever and a Nice-anastigmat f/3.5 25mm. lens, and two film cassettes.