Camera Craftsman - Canon MF MotorDrive

This issue of Camera Craftsman focuses on Canon's MF Motor, a major accessory for the F-1 camera system. The article explores the advantages of the MF motor compared to the earlier MD model, highlighting its superior ergonomic design with a comfortable integrated grip housing ten AA batteries, elimination of bulky external power packs, and exceptional operational flexibility. The technical guide walks through installing the MF motor on the Canon F-1 camera, explaining the straightforward process of plate replacement. A comprehensive section covers motor controls and features, including the S and C function selector, the film frame counter dial with automatic shutoff, and the special F.C. position for 250-frame film backs. The document details various accessory options such as remote control cable operation up to 30 feet and the interval timer for automated sequential shooting. Detailed procedures enable testing motor operation without a camera body using an external power supply. The article also addresses modifications required for earlier F-1 models, particularly concerning the diaphragm-closing lever mechanism, and provides explanations of motor disassembly and electronics including transistor switching systems and circuit components.