Sony a9 Firmware v5 changes our review: Eye AF, Lock-on AF, Group Delete Tony & Chelsea Northrup

We test Sony's firmware update for the Sony a9 ( http://sdp.io/a9). Eye AF was excellent before, and it's a little better now - though it still fails in heavily backlit situations. Lock-on AF tracks a subject as it moves across the frame. Before the firmware update, Lock-on AF was almost useless. Now, Lock-on AF is extremely useful for sports and even still subjects where focus-recompose is easier than manually changing focusing points. Finally, I discuss the importance of being able to delete a group of photos all at once.

Previous reviews of the a9: https://www.youtube.com/watch?v=wv7ZV... https://www.youtube.com/watch?v=B7Z9Z... https://www.youtube.com/watch?v=-oXHi... Red dot on the back: https://www.youtube.com/watch?v=3TxkG... https://www.youtube.com/watch?v=WyPc7...

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Sony a9 Firmware v5 changes our review: Eye AF, Lock-on AF, Group Delete
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Science & Technology	Upload TimePublished on 27 Mar 2019