Nikon FV Lock, Press, FV lock, 3 Focus, Assign Fn button, 2 Raise the flash, 4 Lock flash level, 1Assign FV lock to the Fn button

FV Lock

This feature is used to lock flash output, allowing photographs to be recomposed without changing the flash level and ensuring that flash output is appropriate to the subject even when the subject is not positioned in the center of the frame. Flash output is adjusted automatically for any changes in ISO sensitivity and aperture.

To use FV lock:

1Assign FV lock to the Fn button.

Select FV lock for Custom Setting f2 (Assign Fn button > Press, 0 253).

2 Raise the flash.

In P, S, A, M, and 0modes, the flash can be raised by pressing the M(Y) button. In i, k, p, n, o, s, w, and gmodes, the flash will pop up automatically when required.

M(Y) button

3 Focus.

Position the subject in the center of the frame and press the shutter-release button halfway to focus.

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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 FV lockFn button icons (e) will appear in the viewfinder.

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