CANON - canon ef zooms service

Comprehensive Canon EF zoom service manual covering the 35-105mm f/3.5-4.5 lens. This workshop repair guide is an essential technical reference for service technicians and camera lens maintenance professionals. The manual documents detailed optical and mechanical specifications for this compact zoom design, including the AFD autofocus drive system, mechanical compensation zoom mechanism, and Canon EF mount interface. Extensive disassembly and assembly procedures cover the main serviceable units: EMD unit, AFD unit, and front lens assembly. Technical content includes optical centering and tilt alignment procedures, focus calibration using the 800mm collimator method and camera-based techniques, autofocus pulse adjustment protocols, and Canon's factory best-focus adjustment service guidelines. A comprehensive parts list with full reference numbers supports field repair work, accompanied by detailed specifications for recommended consumables and precision lubricants. Complete technical specifications document the 24×36mm imaging format, 35-105mm focal length range across f/3.5-4.5 apertures, 11-group 14-element optical construction, and field-of-view angles for all focal lengths. Electrical circuit diagrams and optical schematics provide the technical foundation for accurate diagnosis and repair of autofocus and optical adjustment faults.