* Lens: Triplet 43, 40 mm, f/4, 3 elements
* Focal range: 1 m to infinity, scale-focus
* Shutter speeds : B, 1/15, 1/30, 1/60, 1/125, 1/250
* Shutter type: 3 blades diaphragm shutter
* Apertures: f/4, f/5.6, f/8, f/11, f/16
* Film type: 35 mm film
* Size: 70 x 100 x 60 mm
* Weight: 289 g