Sony today has officially released new firmware updates for a1 and a7S III full frame mirrorless cameras. Firmware version 1.3 for a1 brings 8K 4:2:2 10-bit video recording and Lossless Compressed Raw capture for stills. Firmware version 2.1 for a7S III adds the ability to record proxy footage while operating the cameras remotely via computer.
Firmware
Sony a7 IV Firmware Update Ver. 1.01 Released !
Sony today has just released new firmware update version 1.01 for Sony a7 IV (B&H/Adorama/Amazon). You can download this firmware here.
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Sony FX6 Firmware Update Ver. 2.00 Released !
The firmware update Ver. 2.00 for Sony FX6 now officially released. You can download this firmware here. Sony FX6 is available for pre-order at B&H Photo Video/Adorama/Amazon.
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Sony a7C and a7R IVA Firmware Updates Released !
Sony has just released new firmware updates for Sony a7C and Sony a7R IVA. You can download the firmware below:
Sony ZV-E10 Firmware Update Ver. 2.00 Released !
Sony today has released firmware update Ver. 2.00 for Sony ZV-E10 (B&H Photo/Adorama/Amazon) vlogging mirrorless camera. You can download firmware through links below:
Sony FX9 Firmware Version 2.10 Released
Sony has released firmware update for Sony PXW-FX9 (B&H Photo/Adorama). The firmware version is Ver.2.10, now available for download here.
Sony a1 Firmware Update Version 1.01 Released !
Sony has released a new firmware version 1.01 for Sony a1 (B&H/Adorama/Amazon). You can download this firmware here.
Sony a7 III Firmware Version 4.00 Released !
Sony today has officially released the firmware version 4.00 for Sony a7 III full frame mirrorless camera. You can download this firmware here.
Sony a7S III Firmware Version 2.00 Released ! (Add S-Cinetone)
Sony has officially released firmware version 2.00 for Sony a7S III (B&H/Adorama/Amazon) full frame mirrorless camera today. The main change is add “S-Cinetone” feature to a7S III. You can see details of firmware and download it below:
Rumors: Sony a7S III Firmware Ver. 2.0 will Get QFHD/120p 12Bit RAW Output via HDMI Before IBC 2021

The Sony a7S III is currently one of the best selling full frame mirrorless cameras from Sony. Currently, this camera is still out of stock everywhere, you can pre-order at B&H/Adorama/Amazon.