f4: Control Lock

Select [ON] to lock shutter speed at its current value in modes S and M.

• O icons appear in the shooting display and control panel when shutter-speed lock is in effect.

Select [ON] to lock aperture at its current value in modes A and M.

• O icons appear in the shooting display and control panel when aperture lock is in effect.

Select [ON] to lock focus-point selection on the currently-selected focus point.

• Focus point lock does not apply when [Auto-area AF] is selected for AF-area mode.
• When [3D-tracking] is selected, the focus point will track subject motion while the shutter-release button is pressed halfway.