SIGMA - Sigma 183EC1 Parts
Official parts catalog for the Sigma APO 500mm F4.5 EX HSM telephoto lens designed for Canon autofocus camera systems. This technical reference is intended for service technicians, professional repair specialists, and photography enthusiasts requiring detailed information about the complete internal composition of this premium optical instrument.
The catalog features comprehensive technical documentation including exploded assembly diagrams with numbered components, precision technical illustrations demonstrating each major subassembly, and a complete parts listing with original Sigma reference numbers. Major assemblies documented encompass 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 detailed specification pages for additional technical data. This technical catalog serves as an essential reference tool for maintenance operations, repair procedures, restoration projects, or component replacement tasks 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