SIGMA - Sigma 432NA8 Parts

Official Sigma technical parts catalog for the 24mm F1.8 D EX DG Aspherical Macro lens designed for Nikon AF cameras (model 432-NA8). This comprehensive reference document features detailed exploded-view diagrams clearly identifying every component of the optical assembly through numbered designations. The catalog provides a complete structured parts list with Sigma reference numbers, Japanese and English component names, and required quantities for each part. Components cataloged include the main focus cam unit, focus gears and rollers, guide mechanisms, cover ring assembly, autofocus gear units, main PCB circuits, masking sheets, and lens hood. The document also catalogs mount washer variants in multiple thickness specifications, critical for precision adjustment and repair procedures. Detailed cross-references and notes direct users to supplementary technical pages for components requiring additional information. Essential resource for optical repair technicians, professional service centers, and lens restoration specialists requiring accurate parts identification and assembly reference data.