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I've tracked this issue across multiple forums (Fred Miranda, DPreview, Feathers and Photos, FB) and extensively used the A9 and A7R III that clearly use similar algorithms. On-sensor PD gets confused regularly by small static birds.The term 'confused' is used by the local Nikon/Sony/Canon service agent.Note that I didn't say it can't function but that it's not reliable. Focus racks out but no AF point is recorded in EXIF.[URL unfurl="true"]https://www.fredmiranda.com/forum/topic/1664839/0[/URL][URL unfurl="true"]https://m.facebook.com/groups/sonya9/permalink/2606391359453112/[/URL]
I've tracked this issue across multiple forums (Fred Miranda, DPreview, Feathers and Photos, FB) and extensively used the A9 and A7R III that clearly use similar algorithms. On-sensor PD gets confused regularly by small static birds.
The term 'confused' is used by the local Nikon/Sony/Canon service agent.
Note that I didn't say it can't function but that it's not reliable. Focus racks out but no AF point is recorded in EXIF.
[URL unfurl="true"]https://www.fredmiranda.com/forum/topic/1664839/0[/URL]
[URL unfurl="true"]https://m.facebook.com/groups/sonya9/permalink/2606391359453112/[/URL]