Nikon D90 User Guide
198
L
❚❚FV Lock
This feature is used to lock flash output, preventing the flash level from changing
between shots or while recomposing photographs. Flash output is adjusted
automatically for any changes in ISO sensitivity or aperture.
between shots or while recomposing photographs. Flash output is adjusted
automatically for any changes in ISO sensitivity or aperture.
1
Assign FV lock to the Fn button.
Both the Fn and the AE-L/AF-L button can be used for FV
lock. To use the Fn button as described below, select FV
lock for Custom Setting f3 (Assign FUNC. button). To use
the AE-L/AF-L button, choose FV lock for Custom Setting f4
(Assign AE-L/AF-L button, pg. 200).
lock. To use the Fn button as described below, select FV
lock for Custom Setting f3 (Assign FUNC. button). To use
the AE-L/AF-L button, choose FV lock for Custom Setting f4
(Assign AE-L/AF-L button, pg. 200).
2
Raise the flash.
In
i, k, n, and o modes, the flash will pop up
automatically as required when the shutter-release
button is pressed halfway. In P, S, A, and M modes, press
the
button is pressed halfway. In P, S, A, and M modes, press
the
M button to raise the flash.
3
Focus.
Position the subject in the center of the frame
and press the shutter-release button halfway to
focus.
and press the shutter-release button halfway to
focus.
4
Lock flash level.
After confirming that the flash-ready indicator (
M) is
displayed in the viewfinder, press the Fn button. The flash
will emit a monitor preflash to determine the appropriate
flash level. Flash output will be locked at this level and a
FV lock icon (
will emit a monitor preflash to determine the appropriate
flash level. Flash output will be locked at this level and a
FV lock icon (
r) will appear in the viewfinder.
5
Recompose the photograph.
M button
Fn
button