16mm manual focus Arri standard mount Cine camera released by ARRI in 1952. The first professional cine camera by ARRI with a reflex viewing system. Uses a rotating turret lens mount design with room for three lenses and the spinning mirror reflex shutter ("Butterfly") designed by Erich Kästner that allows the operator to have a viewfinder image equal to the recorded picture. Can load 100ft internal spool or 400ft external magazines. Has interchangeable motors used to change the shutter speed. Metal body available in black.

• Shutter: 8 to 48 fps
• Size: ~245 x ~193 x ~145mm
• Weight: 2900g