Canon PowerShot SX540 HS Manual

75

 

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

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

 

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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.

 

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When the camera detects movement, frames will follow moving 

subjects, within a certain range.

 

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

displayed around faces in focus.

 

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If faces are not detected, or when only gray frames are displayed 
(without a white frame), up to nine green frames are displayed in 
the areas in focus when you press the shutter button halfway.

 

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If faces are not detected when Servo AF (= 76) is set to [On], 
the AF frame is displayed in the center of the screen when you 
press the shutter button halfway.

 

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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

 

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The camera may misinterpret non-human subjects as faces.

 

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

Shoot after choosing a subject to focus on as follows.

 

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Follow the steps in “Changing the AF Frame 

Mode” (= 75) to choose [Tracking AF].

 

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[ ] is displayed in the center of the 

screen.

Change the AF (auto focus) frame mode to suit the shooting conditions as 

follows.

 

●

Press the [

] button, choose [AF 

Frame] on the [ ] tab, and then choose 

the desired option (= 29).

One AF frame is displayed in the center. Effective for reliable focusing.

 

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A yellow AF frame is displayed with [ ] if the camera cannot 
focus when you press the shutter button halfway.

 

●

To reduce the AF frame size, press the [

] button and set 

[AF Frame Size] on the [

] tab to [Small] (= 29).

 

●

The AF frame size is set to [Normal] when you use the digital 
zoom (= 38) or digital tele-converter (= 74), and in manual 
focus mode (= 73).

 

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To compose shots so that subjects are positioned at the edge 
or in a corner, first aim the camera to shoot the subject in an AF 
frame, and then hold the shutter button halfway down. As you 
continue to hold the shutter button halfway, recompose the shot 
as desired, and then press the shutter button all the way down 
(Focus Lock).

 

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The AF frame position is enlarged when you press the shutter 
button halfway with [AF-Point Zoom] (= 52) set to [On].