Sony a7R IV vs a7R III vs a9: Autofocus Clinic

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Photographer Dustin Abbott shares insights on the autofocus performance of three Sony options – the Sony a7R IV, the Sony a7R III, and the now-discounted Sony a9, including Tracking, buffer depth, Eye AF, and more.

Sony a7R IV body: $3,498 at Amazon, B&H, Adorama.

$500 off on Sony a7R III body: $2,498 at Amazon, B&H, Adorama.

$1000 off on Sony a9 body: $3,498 at Amazon, B&H, Adorama.