Exposure Lock (Ae Lock) - Canon EOS REBEL T8i Advanced User's Manual

Exposure Lock (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 <
the exposure, then recompose and take the picture. It is effective for shooting backlit
subjects, etc.
1.
Focus on the subject.
2.
Press the <
3.
Recompose and take the picture.
Press the shutter button halfway.
> button (
A [ ] icon is displayed in the viewfinder or on the screen, indicating
that the exposure is locked (AE lock).
Each time you press the <
locked.
When you are to take more pictures while maintaining the AE lock,
keep holding down the <
take another picture.
).
> button, the current exposure setting is
> button and press the shutter button to
203
> button to lock