“Photokor № 1” (also “Photokor-1”, often simply “Photokor”) is a Soviet plate-type folding camera of 1930-1940’s. It was a universal rectangular chamber of 9 × 12 cm format with a folded front wall and a double stretch of fur. The first Soviet mass camera – over 11 years of production (from 1930 to 1941 inclusive) produced more than 1 million copies.