The Ricoh SIX was manufactured in 1952 by the Asahi Precision Industry. Image size 6 cm X 6 cm
 and 4.5 cm X 6 cm on 120 roll film. It has sliding metal masks over the red windows to alternately
    read the film number and then protect the film from light.

The camera has a Orinar Anastigmat 80 mm f3.5 lens.