Hardik Kalyani January 17, 2019 CAMERA WORLD NEWS, CAMERAS Sony's major firmware adds new features to Sony A9, A7iii and A7Riii Hardik Kalyani January 17, 2019 CAMERA WORLD NEWS, CAMERAS Sony announced a major feature upgrade to its a9, a7iii and a7riii mirrorless cameras that will be available via a firmware update.