Lock-on AF cannot be set when an A-mount lens is attached.
Lock-on AF cannot be used when the A-mount lens adapter LA-EA2 or LA-EA4 is attached and Eye-Start AF is set to On. Follow the steps below to deactivate the Eye-Start AF function.
- On the camera, press the MENU button.
- Select Custom Settings.
- Select Eye-Start AF.
- Select Off.