Camera Smena-4 is updated from Smena-3.
Film accept: 35mm
Frame size 24X36mm
Shutter speed 1/10, 1/25,1/50, 1/100, 1/200, "B".
There are two types of this camera. They are :
With head for film wind - Rare.
With lever cock for film wind - Very Rare
Main differences from Smena: There is the shutter button on the top (as on one of Smena types),
and there is lever cock for film wind on the type-2