5. Connect the Camera
Menu settings on the Sony a7r III to initiate remote camera
control:
1. Go to the Network menu page and turn off “Ctrl
w/Smartphone”.
2. Then go to Setup Menu page four and for USB Connection
choose “PC Remote”.
Turn OFF the Steady Shot function (Camera menu 2, page 4).
Physical settings on the lens:
For remote focus control, the switch on the lens must be on
AF, and for remote aperture control, the f stop dial on the
prime lenses should be turned to “A” (auto). See the section
on Basic Operation.