Canon EOS 250D, Руководство для продвинутых пользователей

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164
Locking the Exposure
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.
z
Press the shutter button halfway.
B
The exposure setting will be displayed.
2
Pressing the <
A
> button.
B
The <
A
> icon lights up in the
viewfinder to indicate that the exposure
setting is locked (AE lock).
z
Each time you press the <
A
> button,
the current exposure setting is locked.
3
Recompose and take the picture.
z
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.
AE Lock Effects
Metering
Mode
( = 158)
AF Point Selection Method ( = 108)
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.
* 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.
z
AE lock is not possible with bulb exposures.
N