SIGMA - Sigma 440NA8 Parts
Official parts catalog for the Sigma 28mm F1.8 D EX DG aspherical macro lens designed for Nikon AF mount cameras. This technical reference provides comprehensive identification of all internal lens components, including the main focus cam unit, AF gear assemblies, focus rings, optical elements, and mounting screws. The catalog features detailed exploded diagrams illustrating the complete lens architecture with part numbering for each subassembly. A complete parts listing is supplied with SIGMA reference numbers, English and Japanese technical designations, required quantities, and cross-reference notes for further consultation. This essential resource is intended for optical technicians, specialized repair centers, and optics professionals requiring accurate identification, location, or procurement of replacement components for maintenance and repair of this high-performance macro lens. The documentation additionally covers specifications for mounting washers available in various thicknesses for precise adjustments.
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Document Details
- Format
- Pages
- 15
- Size
- 641.2 KB
- Category
- Photography