Locking The Exposure (Ae Lock) - Canon EOS 90D Instruction Manual

Locking the Exposure ( AE Lock)
You can lock the exposure when you want to set the focus and exposure
separately or when you are to take multiple shots at the same exposure
setting. Press the < A > button to lock the exposure, then recompose and
take the picture. It is eff ective for shooting backlit subjects, etc.
AE Lock Eff ects
Metering
Mode
( = 158)
Exposure centered on the AF point
q
in focus is locked.
AE lock is applied at the center AF point.
wre
* When the < q > is set and the lens's focus mode switch is set to <MF>, AE lock is
applied with the exposure weighted on the center AF point.
AE lock is not possible with bulb exposures.
o
1
Focus on the subject.

2
Press the <A> button (0).


3
Recompose and take the picture.

AF Point Selection Method ( = 131, = 132)
Automatic Selection
Press the shutter button halfway.
A < A > icon is displayed in the
viewfi nder or on the screen, indicating
that the exposure is locked (AE lock).
Each time you press the < A > button,
the current exposure setting is locked.
When you are to take more pictures
while maintaining the AE lock, keep
holding down the < A > button and
press the shutter button to take another
picture.
Exposure centered on the selected
AF point is locked.
Manual Selection
M
161