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.
- Sony a7R III – $400 Off – at Amazon/B&H Photo Video/Adorama/Focus Camera
- Nikon Z7 – Buy at B&H Photo/Adorama/Amazon