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Sony has released firmware version 2.00 for its flagship a9 mirrorless camera. The most notable improvements are to continuous AF, with the company claiming enhanced performance while tracking as well as more stability when zooming.
Speaking of stability, the firmware should bring general bug fixes and reliability enhancements, and the overheating warning function is more accurate, according to Sony.
There are also a number of improvements related to metadata which you can find in the press release below. The firmware update is now available for download.
Press Release
Firmware version 2.00 provides the following benefits:
Continuous AF Enhancements:
- Enhanced performance of continuous auto focus on moving subjects
- Enhanced stability of the AF-C when zooming
Added Functions:
- Adds the function to assign Protecting images to custom Key
- Adds the function to transfer (FTP) protected files at once
Note: Only for images protected using version 2.00 or higher. - Displays wired LAN MAC address
- Inputs IPTC metadata to files
Note: IPTC information must be created beforehand using the IPTC Metadata Preset software. - Inputs camera serial number to metadata
Other Improvements:
- Improves operational stability
- Improves accuracy of the overheating warning function
Articles: Digital Photography Review (dpreview.com)