Sony FE 16-35mm f/2.8 GM Lens Firmware Update Ver.03 Released ! Sony has just released a new firmware update Ver.03 for FE 16-35mm f/2.8 GM Lens. You can download this firmware update here. Benefits and Improvements Resolves an issue where, in rare cases, a SEL1635GM lens is not properly initialized when used with an ILCE-7M3 (a7 III) or ILCE-7RM3 (a7R III) camera. Related posts: Sony a7R III Firmware Update Ver.1.01 Released ! Sony a7 III Firmware Update Version 1.01 Released ! Sony a7R III Firmware Update Version 1.1 now Released ! Sony a9 Firmware Update Version 4.0 Released !