This bracket inserts into the modular follow focus dovetail plate (MFFA) that is located directly under the lens. The Panavision modular mount replaces the manual focus knob with a Preston motor.The Panavision modular plate (MFFA) is required to use this bracket.The PMM-2 is a bracket that slides onto the Panavision modular follow focus dovetail mount. The PMM-2 is supplied with two 15mm x 3″ rods for motor placement. The PAM bracket system will interface directly off the 15mm rods to drive focus, iris, zoom for most lenses. This bracket is fully captive so you won’t lose parts.