NIKON - nikkor lens medical120

Comprehensive repair and maintenance manual for the Nikon Medical-Nikkor 120mm f/4 (IF) lens, published in 1981 by Nippon Kogaku K.K. This technical reference provides complete documentation for servicing this specialized medical imaging lens. The manual begins with detailed technical specifications followed by external views and exploded drawings enabling precise identification of all optical and mechanical components. A thorough parts list is provided with complete technical nomenclature, reference numbers, component classifications (screws, nuts, washers, springs) and dimensional specifications. The document illustrates the internal construction of the lens with detailed assembly diagrams showing component relationships and assembly sequences. The core repair sections deliver step-by-step disassembly and reassembly procedures for both the optical unit and flash unit, with clear procedural guidance enabling technicians to perform systematic maintenance and repair. Post-repair quality checkpoints are included to validate work completion and functionality. Additional technical resources encompass a wiring diagram for the flash unit and a comprehensive lubrication and binding agent chart specifying appropriate compounds for assembly operations. This manual serves as an essential reference for professional camera repair technicians specializing in medical optical equipment.