SIGMA - Sigma 183EC1 Parts
Official parts catalog for the Sigma APO 500mm F4.5 EX HSM telephoto lens on Canon autofocus camera systems. This comprehensive service manual and parts reference is essential for service technicians, professional repair specialists, and photography professionals needing complete technical documentation of this premium optical instrument's internal construction.
The catalog delivers detailed exploded assembly diagrams with numbered components, precise technical illustrations for each major subassembly, and a complete parts list with Sigma original part numbers. Documented major assemblies include the lens hood unit, front barrel assembly, adjustment washers, hypersonic motor unit (HSM), focusing cam assembly, main barrel unit, cover ring assembly, and switch case unit, along with all associated fasteners, screws, and mounting hardware.
Each component is catalogued with its specific part number, English and Japanese designations, required quantities, and cross-references to specification pages for additional technical data. The workshop manual serves as an indispensable reference for maintenance operations, repair procedures, restoration projects, and component replacement on this professional-grade telephoto lens.
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 47
- Size
- 1.6 MB
- Category
- Photography