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Reference—Focus
5
Highlight option.
6
Make selection.
To choose focus zone size using the FUNC. button and sub-command dial:
1
Select Focus Area Frame for Custom Setting f4
(FUNC. Button; 170).
2
Press the FUNC. button and rotate the sub-com-
mand dial. Wide focus zones are used when
WIDE is displayed in the control panel.
Focus Lock
Focus lock can be used to change the com po si tion after focusing, making it pos-
sible to focus on a subject that will not be in a focus area in the fi nal composition.
It can also be used when the autofocus system is unable to focus ( 59).
In single-servo AF, focus locks automatically when the in-focus indicator (●) ap-
pears in the viewfi nder. In continuous-servo AF, focus must be locked man u al ly
using the AE-L/AF-L button. To recompose a photograph using focus lock:
1
Position the subject in the selected focus area
and press the shutter-release button halfway to
ini tiate focus.