Canon Digital IXUS 850 IS User Manual download pdf (Page 48)

Select from among the following three focusing methods.

 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].

Switching between Focusing Modes

Shooting Mode

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.

*Only in evaluative metering mode (p. 51).

(No frame)

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.

(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.

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Canon Digital IXUS 850 IS User Manual Page 48