Canon EOS 77D, Instruction Manual

Page: 208 / 502

208
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. This is called AE lock. It is effective for
shooting backlit subjects, etc.
1
Focus on the subject.

Press the shutter button halfway.
 The exposure setting will be
displayed.
2
Press the <
A
> button
(
0
)
.

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 exposure setting is
locked.
3
Recompose and take the picture.

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.
* When the lens’s focus mode switch is set to < MF >, AE lock is implemented with
the exposure weighting centered on the center AF point.
A
Locking the Exposure
N
AE Lock Effects
Metering
Mode
(p.203)
AF Point Selection Method (p.131)
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.
AE lock is not possible with bulb exposures.