CANON - canon ef zooms service

Comprehensive service manual for the CANON EF 35-105mm f/3.5-4.5 zoom lens. This technical reference is essential for repair technicians and camera equipment maintenance professionals. The document provides detailed specifications covering the optical and mechanical design of this compact zoom lens, including the AFD autofocus drive system, mechanical compensation zoom mechanism, and Canon EF mount interface. Extensive disassembly and assembly procedures are documented for the main units: EMD unit, AFD unit, and front lens assembly. The manual covers optical centering adjustments (tilt alignment), focus calibration using both the 800mm collimator method and camera-based procedures, pulse adjustment for autofocus operation, and the factory best focus adjustment service policy. A comprehensive parts list with reference numbers is included, supplemented by recommended consumables and lubricants for proper maintenance. Complete specifications detail the 24x36mm format, 35-105mm focal range with f/3.5-4.5 apertures, optical design of 11 groups and 14 elements, and comprehensive field-of-view angles. Electrical circuit diagrams and optical schematics provide the technical foundation necessary for accurate service and repair work.