Camera Craftsman - Nikon FM

This issue of Camera Craftsman features a comprehensive technical examination of the Nikon FM, Nikon's first super-compact SLR camera. Written by Larry Lyells, the main article provides detailed insights into this innovative mechanically and electronically controlled camera body. The Nikon FM represents a significant advancement in Nikon camera design, introducing a sophisticated electronic exposure-metering system utilizing gallium photocells for precise light measurement. The article thoroughly explains the exposure-readout system, detailing how two distinct voltage signals—one representing light intensity and another representing camera parameters—work together to calculate optimal exposure settings. Special attention is given to the innovative Copal Compact Square (CCS) five-section focal-plane shutter and its mechanically controlled operation. The documentation includes essential maintenance procedures, electronic circuit testing protocols, exposure-meter system adjustments, and battery replacement instructions. Multiple annotated photographs and detailed technical diagrams make this issue invaluable for technicians and repair specialists seeking to master the mechanical and electronic intricacies of this groundbreaking Nikon model.