VIVITAR - Vivitar 90mm f28 Macro Parts

Comprehensive illustrated parts list for the Vivitar 90mm f/2.8 Macro telephoto lens, essential for technicians and repair professionals requiring precise component identification and sourcing. This detailed service manual features an exploded diagram of the complete optical assembly with each component numbered and cross-referenced to part descriptions and order numbers for reliable parts replacement. Full optical specifications are included: 6-element optical construction in 4 groups, aperture range from f/2.8 to f/22, maximum reproduction ratio of 1:1, minimum focus distance of 35 cm, and accessory sizing information. The document provides a dedicated section on aperture adjustments with a comprehensive reference table listing dimension specifications for each f-number value, together with reassembly instructions and infinity focus adjustment procedures for accurate optical calibration. Mount compatibility is clearly outlined for Universal Thread Mount, Nikon F, Minolta SRT/SR, Canon FD/FD Series, Konica Autoreflex, and Olympus OM systems, allowing technicians to quickly identify parts applicable to their specific camera body. Clear ordering guidelines for replacement parts through Vivitar Central Parts Service are provided throughout the manual.