OLYMPUS - OM 4 exploded

Comprehensive technical documentation of the OLYMPUS OM-4 35mm SLR camera, featuring detailed exploded diagrams with comprehensive component numbering and internal mechanism illustration. This technical guide provides in-depth exploration of this compact yet feature-rich camera's internal architecture, highlighting its status as the first SLR to incorporate a Multi-Spot Metering system and advanced LCD viewfinder technology. The documentation describes 47 key internal components including mirror systems, shutter mechanisms, motor and rewind drives, and the sophisticated electronic control system featuring a 4-bit CMOS microprocessor, SPD light-measuring sensor, and exposure management circuits. A dedicated section explains the advanced metering system incorporating compound semiconductor sensors, the diopter-adjustable eyepiece with wide correction range, and the integrated electronic functions that set this camera apart. The guide encompasses detailed analysis of the onboard computer system, integrated circuit architecture, TTL flash synchronization contacts, and exposure control mechanisms. Authored by the original design engineers, this technical reference delivers exhaustive understanding of the engineering innovations that positioned the OM-4 as one of the most technologically advanced cameras of its generation, merging portability with professional-grade photographic capabilities and automated exposure control systems.