Canon PowerShot ELPH 170 IS Blue 手册

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页码 216
99
ç
 Contents
ç
 Chapter Contents
Still Images
Movies
Shooting with the AF Lock
The focus can be locked. After you lock the focus, the focal 
position will not change even when you release your finger from 
the shutter button.
1
  Lock the focus.
z
z
With the shutter button pressed 
halfway, press the <
q> button.
z
z
The focus is now locked, and 
[
%] is displayed.
z
z
To unlock the focus, release the 
shutter button and press the 
<
q> button again. In this case, 
[
%] is no longer displayed.
2
  Compose the shot and 
shoot.