CANON - Canon EF 28 70mm f28L Parts
by CANONComplete parts catalog for the Canon EF 28-70mm 1:2.8L USM lens (Reference C21-9742). This technical documentation provides detailed assembly diagrams, mounting schematics, and a comprehensive list of all available replacement parts. The catalog features exploded views of the optical system with identification of lens groups (G2, G3, G4/5/6, G7, G8, G13/14, G15), mechanical components (barrels, helicoids, zoom and focusing mechanisms), electrical and control elements (USM motors, PCB modules, diaphragm controls), and all fasteners and assembly hardware. Each part is catalogued with its Canon reference number, component classification, required quantity, and location within the manual. Pages also include technical specifications for certain parts (dimensions, tolerances) with cross-references to relevant pages. This document is designed for service technicians, professional repair specialists, and owners seeking to perform maintenance or repair work on this premium-grade lens.
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Document Details
- Format
- Pages
- 10
- Size
- 250.1 KB
- Category
- Photography