Both lenses upgraded to firmware ver0.3. This upgrade improves the continuous autofocus (AF-C) performance while zooming when they are attached to the Sony A9 camera.
For updating the firmware of your Sony lens, just connect it to the camera and follow the steps given on the firmware update page. More dteails and download links can be found below.
Sony FE 70-200mm & 100-400mm GM lens firmware updates released
Benefits and Improvements
- Improves continuous autofocus (AF-C) performance while zooming in when attached to ILCE-9 *1
*1: Latest system software update required.
Download F2.8 70-200mm zoom G Master lens Firmware Update Ver0.3
The FE 70-200mm f/2.8 GM features special coatings (Nano AR and fluorine), a floating focusing system for improved AF performance. The lens offers a minimum focusing distance of just 0.96m (~3.15ft), a SSM and dual linear motors.
- Download F2.8 70-200mm zoom G Master lens Firmware Update Ver0.3 from Sony USA
- Download F2.8 70-200mm zoom G Master lens Firmware Update Ver0.3 from Sony Australia
Download FE 100-400mm F4.5–5.6 GM OSS lens Firmware Update Ver0.3
The FE 100-400mm F4.5–5.6 GM OSS is compatible with both the 1.4x (model SEL14TC) and 2.0x (model SEL20TC) teleconverters, allowing photographers and videographers to shoot at up to 800mm on full-frame cameras and approx.1200mm (35mm full-frame equivalent) on APS-C cameras.