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Menu Guide—Custom Settings
Custom Setting a4: Disable Lock-on
This option controls how autofocus adjusts to
sudden large changes in the distance to the sub-
ject. Highlight a4 Disable lock-on in the second
level of the CSM menu ( 171) and press the
multi selector to the right. Press the multi selector
up or down to highlight an option, then press to
the right to make a selection.
OK
a4
Disable focus tracking
with Lock-On
CSM MENU
Ye s
NoON
OFF
Option Description
No
(default)
Camera waits before adjusting focus when distance to subject
changes abruptly. Prevents camera from refocusing when subject
is briefl y obscured by objects passing through frame.
Yes
Camera immediately adjusts focus when distance to subject
changes abruptly. Use when photographing series of subjects at
varying distances in quick succession.
Custom Setting a5: AF Activation
This option controls whether both the shutter-
release button and the AF-ON buttons can be
used to initiate autofocus or whether autofocus
is only initiated when one of the AF-ON buttons
is pressed. Highlight a5 AF activation in the sec-
ond level of the CSM menu ( 171) and press the
multi selector to the right. Press the multi selector
up or down to highlight an option, then press to
the right to make a selection.
OK
AF-ON only
Shutter/AF-ONON
OFF
a5
AF activation
CSM MENU
Option Description
Shutter/AF-ON
(default)
Autofocus can be performed with AF-ON buttons or by pressing
shutter-release button halfway.
AF-ON only Autofocus can only be performed using AF-ON buttons.