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CUSTOM SETTINGS AND OTHER MENUS—CUSTOM SETTINGS
Custom Setting 20: ISO Step Value
By default, adjustments to sensitivity (ISO equivalency) are
made in increments equivalent to
1
/
3
EV (
1
/
3
step). This setting
can be used to set the size of the increments to
1
/
2
or 1 step.
OK
ISO Step Value
1/3 Step
1 Step
1/2 Step
F20
CSM MENU
Custom Setting 21: AE-L/AF-L Button
By default, both focus and exposure are locked while the
AE-L/AF-L button is pressed. Custom Setting 21 controls the
behavior of this button as shown below.
AE-L/AF-L Button
AE Lock only
AF Lock only
AE Lock hold
AE/AF lock
F21
CSM MENU
OK
Description
Custom Settings (continued)
Option No.
Description
Adjustments to sensitivity are made in increments
equivalent to
1
/
3
EV (
1
/
3
step).
Adjustments to sensitivity are made in increments
equivalent to
1
/
2
EV (
1
/
2
step).
Option
1/3 Step
(default)
1/2 Step
No.
Adjustments to sensitivity are made in increments
equivalent to 1 EV (1 step).
1 Step
Both focus and exposure are locked while the AE-L/
AF-L button is pressed.
AE/AF Lock
(default)
Pressing the AE-L/AF-L button locks exposure. Ex-
posure remains locked until the button is pressed
again or the shutter is released.
AE Lock hold
For more information on:
pg. 62 Sensitivity (ISO equivalency)
pg. 78 Focus lock
Exposure is locked while the AE-L/AF-L button is
pressed. Focus is not locked.
AE Lock only
Focus is locked while the AE-L/AF-L button is
pressed. Exposure is not locked.
AF Lock only