Switching Between Focusing Modes - Canon PowerShot SD900 Digital Elph User Manual

Switching between Focusing Modes

Shooting Mode
Select from among the following three focusing methods.
(No frame)
1
(Rec.) Menu
[Face Detect]*/[On]/[Off].
*Default setting.
[Face Detect] cannot be used when the LCD monitor is
turned off.
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])
The following occurs when [Face Detect] is selected.
- Up to three AF frames display. At this point, the frame the
camera judges to be the main subject appears in white
while the others appear in gray. Pressing the shutter
button halfway displays up to 9 green AF frames.
- If no white frame displays and all the frames appear in
gray, images will be shot using the [On] option rather
than [Face Detect].
46
You can have the camera automatically detect
Face the position of a face and use this data to set the
focus and exposure* while shooting.
Detect
*Only in evaluative metering mode (p. 51).
The camera detects the subject and highlights
On the AF frames, from 9 available points, that it will
use to determine the focus.
The camera focuses using the center AF frame.
Off This is convenient for focusing on a specific part
of a subject with greater certainty.
[AiAF]
See Menus and Settings (p. 23).