It is first Soviet camera but with German shutter Vario;
Frame size 9x12cm;
Lens:Moskva Peryskop (11/135mm) (11/150mm);
Shutter: Shuter speeds are 1/25, 1/50, 1/100, "B", "T"
Production numbers:about 50,000 units
Collection of Anatoliy Zilbert
added by SovietCams. Pictures #2-3 - an earliest version of Efte-1 camera with Kenngott 6.3/135 lens (1929).