Nikon Z8 - f4: Control Lock

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 shutt
er 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 aper
ture 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 curr
ently-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.
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f4: Control Lock