Prototype camera, released in 1979. Arsenal's response to LOMO's "Almaz-103" camera, developed the same year. 35mm SLR with manual aperture and shutter speeds settings. Camera has prism with chosen diaphragm settings visible in the finder. Vertically traveling metal focal plane shutter. Shutter speeds: 1s; 1/2s; 1/4s; 1/8s; 1/15s; 1/30s; 1/60s; 1/125s; 1/250s; 1/500s; 1/1000s + B, sync at 1/60s. Delivered with Volna-4N 1.4/53mm or Era-18 1.5/50mm lens. Very few prototype cameras are known to exist in collections.
Camera #7900003 below from Ilya Stolyar (USA) collection.