Sony a9 Firmware Update 3.10 adds FE 400mm F2.8 GM OSS Lens support and improves overall stability of the camera
This update (version 3.10) provides the following benefits:
• Adds support for the SEL400F28GM lens
• Adds the Silent priority option to the Aperture Drive in AF menu Note: When using the Silent priority option, the sound of aperture drive will be reduced. The Auto Focus may become slower when the Silent priority option is selected
• Improves overall stability of the camera
Benefits provided by previous updates and included in this version
Mac Users Please Note:
If you’re running Mac OS 10.13 or 10.14 you must first run UpdateSettingTool.
[Please Note: UpdateSettingTool replaces Mac OS 10.13 Driver Loader for this update.]
Next, click on the Resources Folder, click on “SystemSoftwareUpdater” to begin the firmware update.