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Taking Photographs—Focus
Autofocus
When the focus mode selector is set to S (single-servo autofocus) or C (con-
tin u ous-servo auto fo cus), the cam era fo cus es au to mat i cal ly when the shut-
ter-re lease but ton is pressed half way. This section de scribes fo cus op tions
that are only avail able in sin gle- and con tin u ous-servo AF.
AF-Area Mode
AF-area mode de ter mines how the focus area is
selected in autofocus mode. To select the AF-area
mode, rotate the AF-area mode selector. The se-
lected mode is shown by an icon in the top control
panel (see following page).
Manual Focus
Single-area AF is automatically selected when manual focus is used.
The Top Control Panel
The selected focus area or group of focus areas is shown in the top control panel in
single-area AF, dynamic-area AF, and group dynamic-AF. The illustrations in the “Icon”
column show the display when the center focus area or focus area group is selected.
The top control panel display does not show the focus area selected by the camera for
dynamic-area AF with closest subject priority.
a1—AF-C Mode Priority ( 182)
In focus mode C (continuous-servo autofocus) photographs can be taken even when
the camera is not in focus (release priority). To ensure that the camera is in focus when
the picture is taken, choose Focus for Custom Setting a1 (AF-C mode priority). Se-
lect FPS rate + AF for improved focus during continuous shooting.
a2—AF-S Mode Priority ( 182)
In focus mode S (single-servo autofocus) photographs can be taken only when the
camera is in focus (focus priority). To allow photographs to be taken regardless of
whether or not the camera is in focus, choose Release for Custom Setting a2 (AF-S
mode priority).
a3—Group Dynamic AF ( 183)
This option controls how focus areas are grouped in group dynamic-AF mode and
whether the camera tracks the subject in the center focus area of the selected group.
a4—Lock-On ( 185)
This option controls whether the camera immediately adjusts focus to track a subject
when the distance to the subject changes drastically.