Canon EOS REBEL T2i 用户手册

下载
页码 260
118
Using AF to Focus
The dedicated AF sensor is used to focus in the One-Shot AF mode 
(p.66), using the same AF method as with viewfinder shooting.
Although you can focus the target area quickly, the Live View image 
will be interrupted momentarily during the AF operation
.
1
Display the Live View image.
 
Press the <A> button.
X
The Live View image will appear on 
the LCD monitor.
 
The small boxes on the screen are 
the AF points, and the larger box is 
the magnifying frame.
2
Select the AF point. N
 
When you press the <Q> button, the 
Quick Control screen will appear.
X
The settable functions will be 
highlighted in blue.
 
Press the <U> key to make the AF 
point selectable.
 
Turn the <6> dial to select the AF 
point.
Quick Mode: f
AF point
Magnifying frame
COP
Y