Sociedad Ibero-Americana de la Historia
de la Fotografia Museo Fotográfico y Archivo Historico "Adolfo Alexander"
Fórum Yahoo [maquinas russas]
Camera "Efox-10" by E. Sokolov published in The Inventor No. 4/1979 pg 6
Electric camera built by Sokolov designed for 10 m and 35 mm film with possibility of 270 frames of 24x36 mm. Электрическая фотокамера Соколова - 10 м (Эфокс-10) Different from the "Zenith" pattern by its metal shutter, the shutter is the viewfinder itself. Camera operation is independent of temperature changes.
Advance of the camera via electric motor. With variable cadence of up to five frames per second.
Speed range from 1 to 1/1000 sec., Counter to 300 frames. The prototype was tested for five years by a professional photographer and some amateur photographers with successful results.