Canon EOS Rebel T5i 18-55mm IS STM Lens Kit 手册

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页码 388
163
Changing the Autofocus Method (AF Method)
2
Move the AF point.
 
Press the <S> key to move the AF 
point to where you want to focus. (It 
cannot be moved to the edges of the 
picture.) To return the AF point to the 
center, press <0> or the <L> 
button.
 
You can also tap the LCD monitor 
screen to move the AF point.
3
Focus the subject.
 
Aim the AF point over the subject and 
press the shutter button halfway.
X
When focus is achieved, the AF point 
will turn green and the beeper will 
sound.
X
If focus is not achieved, the AF point 
will turn orange.
4
Take the picture.
 
Check the focus and exposure, then 
press the shutter button completely to 
take the picture (p.146).