Canon EOS R‘s new firmware version 1.4.0 enhances eye detection Auto Focus of the camera, so how is this camera compared with new released Sony a7R IV‘s Eye-AF ? Youtube user Xing Liu has compared these two cameras Eye-AF, you can see the result above.
Nikon has released eye AF firmware updates for Nikon Z6 and Z7. Here is the video comparison of Sony a7 III Vs. Nikon Z6 Vs. Canon EOS R on eye AF. From the result, we can see Sony a7 III’s eye AF is still much better than Nikon Z6 and Canon EOS R.
dpreview compared the Eye AF feature on Sony a7R III and Nikon Z7 at the CP+ show 2019. It seems Sony a7R III‘s eye AF is more accurate than Nikon Z7, and a7R III can detect eyes from further away. Read More »
Here is a quick video test of Sony Alpha a9 (Amazon/B&H Photo/Adorama)’s Eye-tracking “Eye AF”. From the test result, we can see that Sony a9’s Eye AF is very good, even better than Sony a7R II, see the a7R II’s Eye AF test below: