Tracking Autofocus on A7R3 vs A7R4

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chironNYC Senior Member • Posts: 2,426
Tracking Autofocus on A7R3 vs A7R4
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Can someone who has used both the A7R3 and the A7R4 discuss the differences between the two in terms of their autofocus systems (after the 3.0 firmware update to the A7R3)?

After the 3.0 update the A7R3 is described as having Real-time Eye AF Tracking in AF-C mode with half-press of either the shutter button or the back button focus button, with both humans and animals.

How does this differ from Real Time Tracking as implemented on the A7R4?

How is the user's shooting experience different?

I'm looking for more insight into the user experience than is provided by reading the help guide or the manuals.

Thank you!

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Sony a9 Sony a7R III Sony a7 III Canon EF 50mm f/1.2L USM Canon EF 85mm f/1.2L II USM +11 more
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