Canon PowerShot G3 X 业主指南

90

 

●

Detects people’s faces, and then sets the focus, exposure (evaluative 

metering only), and white balance ([ ] only).

 

●

After you aim the camera at the subject, a white frame is displayed 

around the person’s face determined by the camera to be the main 

subject, and up to two gray frames are displayed around other 

detected faces.

 

●

When the camera detects movement, frames will follow moving 

subjects, within a certain range.

 

●

After you press the shutter button halfway, up to nine green frames are 

displayed around faces in focus.

 

●

When no faces are detected, or when only gray frames are 
displayed (without a white frame), pressing the shutter button 
halfway will display green frames in the areas in focus. Note that 
the maximum number of frames depends on the aspect ratio 
(= 52) setting.

 -

[

] or [

]: 31 frames

 -

[

]: 25 frames

 -

[

]: 21 frames

 

●

If no faces are detected in Servo AF (= 91) mode, the AF 
frame is displayed in the center of the screen when you press the 
shutter button halfway.

 

●

Examples of faces that cannot be detected:

 -

Subjects that are distant or extremely close

 -

Subjects that are dark or light

 -

Faces in profile, at an angle, or partly hidden

 

●

The camera may misinterpret non-human subjects as faces.

 

●

No AF frames are displayed if the camera cannot focus when you 
press the shutter button halfway.

 

z

To reduce the AF frame size, turn the 

[ ] ring. Turn it again to restore it to the 

original size.

 

z

Press the [ ] button.

 

●

AF frames are displayed at normal size when you use the digital 
zoom (= 41) or digital tele-converter (= 89), and in manual 
focus mode (= 86).

 

●

You can also access the screen in step 1 by pressing the [

] 

button.

 

●

You can also return the AF frame to the original position in the 
center by holding down the [

] button.

 

●

You can also link the Spot AE Point frame to the AF frame (= 80).

 

●

You can also configure the AF frame size by pressing the 
[

] button and choosing [AF Frame Size] on the [

3] tab 

(= 31).

 

●

On the screen in step 2, you can also move the AF frame by 
touching the screen, restore the AF frame to the original position 
by touching [

], or exit the setting by touching [

].