
MINOLTA - Minolta AF 20mm f28 Service
by MINOLTAComprehensive service manual for the Minolta AF 20mm F2.8 lens (models 2579-100 and 2579-600 MAXXUM). This technical documentation provides complete specifications and detailed analysis of this premium wide-angle optic. The manual covers the optical construction (10 elements in 9 groups), retrofocus focusing design, and Minolta Achromatic coating characteristics. Technical specifications include a 94° angle of view, Minolta A mount, and 5 signal contacts for camera integration. Detailed dimensional and weight information is provided (285 g, maximum diameter 77.5 mm, length 53.5 mm), along with accessory compatibility details including filter thread size (Ø 72mm) and bayonet-type hood interface. The focusing mechanism section documents the autofocus system with preset diaphragm, minimum focus distance of 0.25 m, and distance scales calibrated in both feet and meters. An extensive parts index cross-references all components with part numbers, complemented by an exploded assembly diagram illustrating the complete internal configuration and component relationships, supporting efficient diagnosis and repair procedures for qualified technicians.
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Document Details
- Format
- Pages
- 15
- Size
- 3.6 MB
- Category
- Photography