f4: Control Lock

G button U A Custom Settings menu

Lock exposure settings or focus-point selection.

Option	Description
[Shutter speed 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.
[Aperture lock]	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.
[Focus-point lock]	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.

Option

Description

[Shutter speed 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.

[Aperture lock]

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.

[Focus-point lock]

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.