Canon SL1 User Manual

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You can lock the exposure when the area of focus is to be different from the 
exposure metering area or when you want to take multiple shots at the same 
exposure setting. Press the <A> button to lock the exposure, then recompose 
and take the shot. This is called AE lock. It is effective for backlit subjects.
1
Focus the subject.
 
Press the shutter button halfway.
X
The exposure setting will be 
displayed.
2
Press the <A> button. 
(0)
X
The <A> icon lights up in the 
viewfinder to indicate that the 
exposure setting is locked (AE lock).
 
Each time you press the <A> button, the 
current autoexposure setting is locked.
3
Recompose and take the picture.
 
If you want to maintain the AE lock 
while taking more shots, hold down 
the <A> button and press the shutter 
button to take another shot.
* When the lens’ focus mode switch is set to <MF>, AE lock is applied at the 
center AF point.
A
 Locking the ExposureN
AE Lock Effects
Metering Mode 
AF Point Selection Method (p.105)
Automatic Selection
Manual Selection
q
*
AE lock is applied at the AF 
point that achieved focus.
AE lock is applied at the 
selected AF point.
wre
AE lock is applied at the center AF point.
If you set [53: Switch S / A button] to [Enable], you can switch the 
functions of the <S> button and <A> button.
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