NIKON - nikkor lens medical120

Comprehensive service manual for the Nikon Medical-Nikkor 120mm f/4 (IF) lens, published in 1981 by Nippon Kogaku K.K. This workshop reference provides complete technical documentation for servicing this specialized medical imaging lens. The manual opens with detailed technical specifications and external views, followed by exploded diagrams that enable precise identification of every optical and mechanical component throughout the assembly. A thorough parts list supplies complete technical nomenclature, reference numbers, component classifications (screws, nuts, washers, springs) and dimensional data for ordering and inventory purposes. Internal construction is illustrated through detailed assembly diagrams that clarify component relationships and correct assembly sequences. The core sections deliver step-by-step disassembly and reassembly procedures for both the optical unit and flash unit, with clear guidance that allows technicians to perform systematic maintenance and repair operations. Quality control checkpoints are included after reassembly to verify work completion and proper functionality. Additional technical resources encompass a wiring diagram for the flash unit and a comprehensive lubrication and binding agent chart specifying the correct compounds for assembly work. Essential reference material for professional camera repair technicians specializing in medical optical equipment and precision lens servicing.