Switching Between Focusing Modes - Canon Digital IXUS 70 User Manual

Switching between Focusing Modes
[!]
The autofocus frame
(AF
frame) indicates the area used to set the
focus. Select from among the following three focusing methods.
You can have the camera automatically detect
the position of a face and use this data to set the
focus and exposure* while shooting. In addition,
r ,
Face
the camera will meter the subject so that the face
L. J
Detect is correctly illuminated when the flash fires. If a
face is not detected, shooting will take place with
[On].
*Only in evaluative metering mode (p. 51).
The camera detects the subject and highlights
(No frame)
On the AF frames, from 9 available points, that it will
use to determine the focus.
The camera focuses using the center AF frame.
D
Off This is convenient for focusing on a specific part
of a subject with greater certainty.
L!J(Rec.)
Menu~[AiAF]
~[Face
Detect]*/[On]/[Off].
See
Menus and Settings
(p. 23).
*Default setting .
46
• The AF frame appears as follows (when the LCD monitor is
on) when the shutter button is pressed halfway.
- Green: Shooting preparations complete
- Yellow: Focusing difficulty (AiAF set to [Off])
- No Display: Focusing difficulty (AiAF set to [On])