Canon PowerShot SX10 IS User Manual page 12

_m Se|ecting an AF Frame Mode
The AF frame indicates the area of the composition on which the
camera focuses.
F 7
L d
Face Detect
The camera detects a face and sets the focus,
exposure .1 and white balance .2. In addition, the
camera meters the subject so that the face is
correctly illuminated when the flash fires.
"1 Only in evaluative metering mode (p. 137)
*2 Only in _ (p. 139)
The AF frame will be fixed to center. This is
recommended when the target subject is at the
center of the composition.
Fq Center
The AF frame can be moved manually to the
1' desired area (FlexiZone). This is convenient for
_ E:]'-_ FlexiZone
$ making sure the focus is exactly where you want it_
You can change the AF frame size (p. 121).