Sony a9 Firmware Update Version 3.01 Now Available

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Sony has released a new firmware update version 3.01 for Sony a9 full frame mirrorless camera to add the support for Sony FE 400mm f/2.8 GM OSS lens.

Download link: Sony a9 Firmware Version 3.01

$500 off on Sony a9 body: $3,998 at Amazon, B&H, Adorama.

Sony FE 400mm f/2.8 GM OSS Lens: $11,998 at Amazon, B&H, Adorama.

Read more: Best Lenses for Sony a9 and Best Memory Cards for Sony a9.

This update (version 3.01) provides the following benefits:

  • Corrects a condition where the camera may not operate properly after updating to firmware version 3.00
    Note: For cameras updating from version 3.00 to 3.01, the registered settings for the Fn (function) menu may not be inherited. You may need to customize the menu to your preferred settings again.
  • New lens support (SEL400F28GM)
  • Added functions for professionals engaged in sports/news media
  • Improvements in auto focus performance and functionality
  • Improvements in flash control performance and functionality
  • Other Improvements