Type:   Steky III Subminiature Camera.

Produced:   Japan, Ricoh, Asahi Musen Company.

Year: 1949.

Lens: Stekinar Anastigmat f3.5 25mm.

Focal length: 25mm.

Aperture: f3.5 to f16.

Shutter speeds: 1/100, 1/50, 1/25.

Focus distance: 12 feet.

Kind of movie:  16mm film (Image: 10 x 14mm).

Size: 66 x 40 x 42mm.

Weight: 155 grams.