Bolex H16 Reflex 10x magnification 1:1 drive shaft will take MST and ESM electric motors Originally Came with optical printer. Notes: The bolex features a single claw pull down movement assuring maximum picture steadiness without the need for registration pin. The gate has an automatic threading device that loops the film, inserts it into the gate and around sprockets. Automatic loop prevents loss of loop. It has a 130 degree shutter (1/65 sec at 24 fps) which can be opened or closed while the camera is running. This variable shutter can be locked at 1/4 or 1/2 and can be opened or closed automatically with the rexofader attachment (up fto 40 frame fade). The camera has reflex focusing through a set of prisms between lens. Image is magnified 10x in eyelevel focus and may be continuously viewed through filming. The camera has a turret lens system with three position for ease of lens change. Lenses are c-mount and FAVA's c-mount lens capacity ranges from 10mm to 18-86 zoom. The spring motor drive will expose 16.5 feet of film in one wind. Combat one (commando battery) can be attached for continous filming. Camera runs anywhere from 12fps to 64 fps and can be adjusted while filming (allows ramping). Audible signal in camera can be turned off but will otherwise click every 28 frames.