V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 584
of making the assignments using only a button press, or by
using the button in conjunction with the Command dials
135
.
Button Press only:
Preview
The
AE-L/AF-L
button acts as a DOF
Preview button
FV lock
The flash is preflashed once and the
value for flash locked when the
AE-
L/AF-L
button is pressed; a second
press cancels
FV lock
[default]
AE/AF lock
Holding
the
AE-L/AF-L
button locks
both exposure and focus [default]
AE lock only
Holding
the
AE-L/AF-L
button locks
exposure
135
Some settings allow you to choose an option for both press and press+dials. For
example, you can set the button to spot metering and still have it work with dials for
bracketing. But not all combinations are possible. Most settings force you to use the
button either via a single press or via pressing in conjunction with the Command
dials.