
SIGMA - Sigma 194EC1 Parts
This official Sigma parts catalog provides comprehensive documentation for all replacement components of the APO 300mm F2.8 EX HSM lens designed for Canon cameras. The manual features detailed technical illustrations with progressive disassembly views of the optical assembly across multiple stages, showing exactly how each major subassembly connects and functions. The complete parts listing encompasses the lens hood unit, front lens element unit, hypersonic motor unit, focus roller, focus guide, focus ring, and protective rings. Every component is assigned a unique Sigma part number with corresponding quantities and cross-references to detailed specification pages, making identification and ordering straightforward. Zoom roller variants are documented with precise technical parameters for proper identification and replacement. Essential for authorized Sigma service centers, repair technicians working on professional telephoto lenses, and anyone performing maintenance or restoration on this APO 300mm 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
- 41
- Size
- 1.5 MB
- Category
- Photography