SONY - Sony E 85mm f14 GM

Complete service manual for the Sony SEL85F14GM (FE 85mm F1.4 GM) interchangeable lens, version 1.0 from February 2016. This technical document provides detailed procedures for maintenance, repair, and servicing of this premium lens designed for Sony E-mount digital cameras. The manual includes comprehensive specifications for the 85 mm focal length lens with maximum aperture of f/1.4, featuring 8 optical groups composed of 11 elements. Service notes cover critical procedures regarding chemical handling, exterior parts care, lead-free soldering techniques, and mandatory safety check-out procedures prior to customer release. The disassembly section features a detailed exploded diagram with complete component identification and required specialized tools, including universal wrenches and recommended lubricants (greases B-10, G-85, FT-210, and G-345). Precise instructions are provided for flexible connector handling and proper soldering practices. Information on optical block replacement and main board replacement procedures is included, with specific guidance on data backup protocols using E-Mount Lens Adjustment applications. This manual is designed for authorized service technicians and covers US, Canadian, AEP, Chinese, and Japanese models.