The Mamiya Power Drive 2 Grip replaces the standard film advance crank of the Pro TL in order to provide either single frame or continuous shooting (1.5 frames per second; 1.1 secs with leaf shutter lenses).
Key Features
When used with the Pro TL, the Power Drive Grip 2 will automatically cock the 55 and 150mm leaf shutter lenses
A conveniently located mode selector switch includes the following functions: "ON", "OFF", "BC" (Battery Check, which will show battery power as one of three LED positions) and "Start", which automatically advances the film to the first frame
A standard cable release receptacle is located on the shutter release button
The unit requires 6 "AA" batteries (not included)