CANON - Canon EF 28mm f28 Parts

Complete parts catalog for the Canon EF 28mm 1:2.8 lens (Reference C21-5281). This technical documentation provides a comprehensive listing of replacement components available for this wide-angle lens, covering two main production variants: Type1 (serial numbers LENS NO. 100001 to 200000) and Type2 (serial numbers LENS NO. 200001 onwards). The catalog delivers detailed component lists organized by functional system, encompassing optical elements, focusing mechanisms, aperture control systems, autofocus components, and electronic assemblies. Each part is precisely identified with reference numbers, component classifications, and required quantities. The documentation includes technical exploded-view diagrams illustrating component placement and assembly procedures, along with detailed printed circuit board (PCB) schematics. Specifications accommodate both legacy and current component versions, enabling proper identification based on lens production series. This reference is essential for optical repair technicians, maintenance service centers, camera restoration specialists, and professionals requiring genuine replacement parts for this lens model. The detailed technical diagrams and parts nomenclature ensure accurate component sourcing and efficient assembly procedures for all repair and restoration operations.