Simple box camera, made for use with 4.5x6cm plates in standard cartridges. The body is made out of cardboard and is expandable, consisting of 2 halfs for focusing on matte glass.
Manufactured by Artel Novaya Shkola in Leningrad
Lens - single element F=80mm. Manually operated shutter. No viewfinder.
(source www.photohistory.ru)