F4: control lock – Nikon Z9 Mirrorless Camera User Manual
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A
Custom Settings: Fine-Tuning Camera Settings
Lock exposure settings or focus-point selection.
f4: Control Lock
G
button
U
A
Custom Settings menu
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.