The World's Best Camera Just Got Better: Sony a9 Update 5.0 Released

In rare form from Sony, they have now delivered impressive new features to the flagship a9 mirrorless full-frame camera with firmware version 5.0.


The Sony a9 will be receiving Real-time Tracking autofocus which first debuted in the a6400. This new A.I.-based autofocus mode is able to detect and follow recognized objects in a scene for improved tracking performance. Real-time Eye AF also makes its way to the a9, which integrates the previously separate Eye AF function into standard continuous focusing so that no extra buttons are needed to take advantage of it.

Sony claims to have improved video shooting with firmware 5.0’s Fast Hybrid AF for “smoother, more accurate focus” even if the subject becomes obscured behind other objects.

Image Quality

Image processing has been improved according to Sony, which “maximizes the capabilities of the full-frame sensor.” The new update should provide more natural gradations and improved auto white balancing.


There have been various revisions to the menu system and camera functionality as listed below.

  • New My Dial menu
  • Revised Custom Key menu
  • Improved touchpad capability
  • Enhanced dual-card functionality
  • Enhanced tagging

Launching beside today’s firmware 5.0 release, Sony is rolling out Imaging Edge mobile apps that will be replacing PlayMemories. The new Transfer & Tagging app will provide text captioning via voice input and IPTC tagging and can instantly transfer images to mobile devices through the a9’s FTP background transfer functionality.

If you are planning to update, be sure to note your preferred custom menu settings as the camera will be fully wiped and factory reset after the software upgrade. It will likely take a good amount of time to get the camera back to the way it was previously set up (I know all too well as I’ve done it dozens of times for every Sony review I’ve taken on), so plan accordingly.

For the full list of changes, as well as downloads for Windows and Mac, visit the Sony website.

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