Canon PowerShot SX620 HS Black 手册

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页码 157
60
Before Use
Basic Guide
Advanced Guide
Camera Basics
Auto Mode /  
Hybrid Auto Mode
Other Shooting Modes
P Mode
Playback Mode
Wi-Fi Functions
Setting Menu
Accessories
Appendix
Index
Choose a subject to focus on.
 
Aim the camera so that [ ] is on the 
desired subject, and then press the [ ] 
button.
 
When the subject is detected, the camera 
beeps and [ ] is displayed. Even if the 
subject moves, the camera will continue 
to track the subject within a certain range.
 
If no subject is detected, [ ] is displayed.
 
To cancel tracking, press the [ ] button 
again.
Shoot.
 
Press the shutter button halfway. [ ] 
changes to a blue [ ], which follows 
the subject as the camera continues to 
adjust the focus and exposure (Servo AF) 
 
Press the shutter button all the way down 
to shoot.
 
Even after your shot, [ ] is still displayed 
and the camera continues to track the 
subject.
 
 
Tracking may not be possible when subjects are too small or 
move too rapidly, or when subject color or brightness matches 
that of the background too closely.
 
[AF-Point Zoom] on the [
 
[ ] and [
] are not available.
 
The camera can detect subjects even if you press the shutter 
button halfway without pressing the [ ] button. After your shot, 
[ ] is displayed in the center of the screen.
 
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.
 
If faces are not detected when Servo AF (= 61) is set to [On], 
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.
Choosing Subjects to Focus On (Tracking AF)
 Still Images 
 
Movies
Shoot after choosing a subject to focus on as follows.
Choose [Tracking AF].
 
Frame Mode” (= 59) to choose 
[Tracking AF].
 
[ ] is displayed in the center of the 
screen.