The PocketWizard 804-517 MAFM3-P is a specialized motor drive cable for Mamiya 645AF medium format cameras. This cable enables pre-release motor drive functions and allows photographers to remotely control film transport and shutter operations in automated workflows. It connects directly to the motor drive port of the camera, ensuring reliable signal transmission for precise timing in studio, portrait, and commercial photography applications. The construction from durable materials includes robust connectors and shielded wiring for consistent performance and reduced interference in professional environments. It supports standard motor drive functions such as single frame advancement, continuous shooting modes, and pre-release settings to minimize camera vibrations. The cable is compatible with the Mamiya 645AF series and integrates seamlessly into PocketWizard wireless triggering systems for enhanced remote control capabilities. With a length of approximately 150 cm, it offers flexibility in setup while maintaining signal integrity. This accessory is ideal for photographers seeking enhanced control over their medium format camera operations, with a focus on reliability and ease of use under demanding shooting conditions.