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U
Choose the role played by the depth-of-field preview button.
The options available are the same as for Assign Fn button
(0 242).
The default setting is Preview.
Choose the role played by the A AE-L/AF-L button.
f3: Assign Preview Button
G button ➜ ACustom Settings menu
f4: Assign AE-L/AF-L Button
G button ➜ ACustom Settings menu
Option Description
B
AE/AF
lock
Focus and exposure lock while the A AE-L/AF-L button is
pressed.
C
AE lock
only
Exposure locks while the A AE-L/AF-L button is pressed.
E
AE lock
(Hold)
Exposure locks when the A AE-L/AF-L button is pressed,
and remains locked until the button is pressed a second
time or the standby timer expires.
F
AF lock
only
Focus locks while the A AE-L/AF-L button is pressed.
A AF-ON
The A AE-L/AF-L button initiates autofocus. The shutter-
release button can not be used to focus.
r
FV lock
Press the A AE-L/AF-L button to lock flash value (built-in
flash and compatible optional flash units only, 0 149,
294).
Press again to cancel FV lock.
None Pressing the button has no effect.