Canon MARK IV User Manual (en)

Download
115
Use AE lock 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 <w> button. 
(9)
X
The <w> icon will light in the 
viewfinder and the exposure setting 
will be locked (AE lock).
 
Each time you press the <A> button, 
it locks the current auto exposure 
setting.
3
Recompose and take the picture.
 
The exposure level indicator on the 
right of the viewfinder will show the 
AE lock exposure level and the 
current exposure level in real-time.
 
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 <g>, AE lock is applied at the 
center AF point.
A
 AE Lock
AE Lock Effects
Metering 
Mode 
(p.104)
AF Point Selection Method (p.97)
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.
COP
Y