Canon PowerShot SX420 IS Black 手册

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页码 347
73
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 Contents
On-Screen Frames
 Still Images 
 Movies
A variety of frames are displayed once the camera detects 
subjects you are aiming the camera at.
 
A white frame is displayed around the subject (or person’s 
face) determined by the camera to be the main subject, and 
gray frames are displayed around other detected faces. 
Frames follow moving subjects within a certain range to 
keep them in focus. However, if the camera detects subject 
movement, only the white frame will remain on the screen.
 
When you are pressing the shutter button halfway and the 
camera detects subject movement, a blue frame is displayed, 
and the focus and image brightness are constantly adjusted 
(Servo AF).
 
Depending on the shooting conditions and subject, no frames 
may be displayed, frames may not be displayed around desired 
subjects, or frames may be displayed on the background or 
similar areas. If such a case occurs, it is recommended that you 
shoot in [ ] mode (= 109).