CANON - Canon EF 85mm f1.8 USM Parts
by CANONTechnical parts catalog reference C21-7321 for the Canon EF 85mm f/1.8 USM lens. This documentation presents the complete component and spare parts inventory for this professional optical system. The catalog includes detailed exploded-view diagrams showing the assembly of optical and mechanical elements: the front lens group (CY1-2474), the G5.6 lens group (CY1-2473), the G7.8/9 lens group (CY1-2465), and major subsystems including the focusing unit, motorized diaphragm unit, and USM autofocus mechanism. Every component carries its original manufacturer reference code with classifications and required quantities for straightforward identification and ordering of replacements. Cross-sectional views clarify the internal optical structure and assembly relationships. Essential reference for repair technicians, optical specialists, and maintenance professionals servicing professional camera equipment.
Table of Contents:
- REF.No.C21-7321
- P a r t s l i s t
- Parts no.
- Class
- D e s c r i p t i o n
- Contact ass'y
- Screw, mount stopper
- Screw
- Cy1-2178-000(xxx)
- Washer, mount
- Cy1-2180-000(xxx)
- Mount, lens
- Focusing ring ass'y
- Cover, back
- Lens g7.8/9 ass'y
- Lens g5.6 ass'y
- Front lens (g1-4) ass'y
- Ring, index
- Front sleeve ass'y
- Screw, cross-recess, ph
- Screw, cross-recess, ph
- Screw, cross-recess, ph
- Screw, cross-recess, ph
- Screw, cross-recess, ph
- Screw, cross-recess, ph
- Ring, rubber
- Ring, retaining
- Ya2-0696-000(xxx)
- Collar, focusing
- Ya2-0697-000(xxx)
- Collar, focusing
- Screw, cross-recess, ph
- Barrel, fixed
- Ring, light shield
- Scale, focusing
- Focusing unit
- Power diaphragm unit
- Main cba ass'y
- Converter, dc/dc
- A/m switch ass'y
- A/m switch ass'y
- Flex, connecting
- Cable, flat
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Document Details
- Format
- Pages
- 5
- Size
- 137.9 KB
- Category
- Photography