SIGMA - Sigma 28 80mm f35 56 Pentax Parts

Official parts catalogue for the Sigma 28-80mm F3.5-5.6 II model 659-PA5 lens, specifically designed for Pentax AF mount. This technical document provides comprehensive and illustrated documentation of all lens components, essential for repair technicians and optical maintenance professionals. The catalogue presents detailed exploded-view diagrams displaying the assembly of various lens sections, from the front lens element through zoom and autofocus mechanisms. Each component is numbered and cross-referenced in exhaustive parts lists, including manufacturer reference numbers, Japanese and English designations, required quantities, and technical notes. Coverage includes the front lens assembly, lens caps, scale rings and stoppers, zoom elements, main barrel and all associated accessories. This document is indispensable for identifying authentic parts, performing repairs, replacements, or preventive maintenance on this versatile zoom lens. The clear technical illustrations and organized parts data make it an invaluable resource for service centers and repair specialists working with this optical equipment.