Canon Leather Soft Case 70 - Manual (Page 48)

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The autofocus frame (AF frame) indicates the area used to set the
focus. Select from among the following three focusing methods.
Switching between Focusing Modes
Face
Detect
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,
the camera will meter the subject so that the face
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).
(No frame) On
The camera detects the subject and highlights
the AF frames, from 9 available points, that it will
use to determine the focus.
Off
The camera focuses using the center AF frame.
This is convenient for focusing on a specific part
of a subject with greater certainty.
1
(Rec.) Menu [AiAF]
[Face Detect]*/[On]/[Off].
See Menus and Settings (p. 23).
*Default setting.
[Face Detect] cannot be used when the LCD monitor is
turned off.
z 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])