Canon MARK IV User Manual (en)

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137
Using AF to Focus
2
Focus the subject.
 
Aim the AF point over the subject and 
press the shutter button halfway.
X
The Live View image will turn off, the 
reflex mirror will go back down, and 
AF will be executed.
X
When focus is achieved, the beeper 
will sound and the AF point will be 
displayed in red. (If automatic AF 
point selection has been set, the AF 
point which achieves focus will flash 
in red.)
X
The Live View image will 
automatically reappear.
3
Take the picture.
 
Check the focus and exposure, then 
press the shutter button completely to 
take the picture (p.127).
AF point
Magnifying frame
You cannot take a picture during autofocusing. Take the picture only while 
the Live View image is displayed.
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