Choose whether the shutter-release button can be used to focus. If [AF‑ON only] is selected, the camera will not focus when the shutter-release button is pressed halfway. Focus can only be adjusted using the AF‑ON button or other controls to which AF‑ON has been assigned using Custom Setting f3 [Custom controls].

A Custom Settings: Fine-Tuning Camera Settings

a: Autofocus01

b: Metering/Exposure

c: Timers/AE Lock

d: Shooting/Display

e: Bracketing/Flash

f: Controls

g: Movie