CANON - canon ef50mmf1.8II disassembly

Comprehensive disassembly guide for the Canon EF 50mm f/1.8 II lens designed for researchers and enthusiasts seeking to explore advanced optical modification techniques. This detailed manual provides step-by-step instructions covering the complete disassembly procedure from back cover removal through to aperture stop access. The document includes precise guidance on: workspace preparation, identification and removal of microscrews, inner cover disassembly, removal of adhesive-bonded side covers, separation of inner and outer tubes, and complete inner tube disassembly into three distinct components. Each procedure is accompanied by full-color photographs highlighting critical areas and pressure points required for proper execution. The guide incorporates important safety warnings regarding potential damage risks to cables, circuit boards, and lens glass elements. Technical information is provided on the AF/MF switch mechanism and aperture stop operation. Critical dimensions are specified, including the 20mm aperture opening diameter, along with comprehensive reassembly instructions in reverse sequence. The manual concludes with examples of modification applications such as coded aperture patterns and color-filtered aperture implementations. Essential resource for optical researchers and advanced lens modification projects.