SONY - Sony DT 18 70mm f35 56 Service

Complete service manual for the SONY SAL1870 (DT 18-70mm F3.5-5.6) lens, the versatile standard zoom for Sony DSLR cameras. This workshop manual delivers everything a service technician needs for precision maintenance and repair of this zoom lens. The service notes section covers critical foundations: proper chemical handling for internal optics, care protocols for exterior surfaces, unleaded solder specifications and procedures, and safety verification checkpoints before reassembly. Optical and mechanical specifications are fully documented, including equivalent focal length 27-105 mm, constant f/3.5-5.6 aperture range, 0.38 m minimum focus distance, 0.25x maximum magnification, and 55 mm filter thread. Systematic disassembly instructions walk through component access sequences without guesswork. Exploded parts diagrams paired with comprehensive parts lists ensure you identify and source every internal element correctly. The adjustments section covers the full scope of optical bench work: aperture diameter verification and fine adjustment, projective resolving power measurement, focus-shift compensation, flange back (f'F) measurement and calibration, lens ROM verification protocols, zoom brush positioning and maintenance, focus brush alignment, and complete error code reference for diagnostic troubleshooting. An indispensable repair guide for technicians handling optical adjustments and component replacement on this popular DSLR zoom. Version 1.5, April 2008.