Canon EOS 5D instruction manual AAE LockN, Press the a button, Recompose and take the picture

AAE LockN

AE lock enables you to lock the exposure at a different place from the point of focus. After locking the exposure, you can recompose the shot while maintaining the desired exposure setting. This is called AE lock. It is effective for backlit subjects.

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Focus the subject.

Press the shutter button halfway.

XThe exposure setting will be displayed.

Press the <A> button. (0)

X<A> lights in the viewfinder to indicate that the exposure setting is locked (AE lock).

Each time you press the <A> button, it locks the current exposure setting.

AE lock indicator

3Recompose and take the picture.

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.

If One-Shot AF or AI Focus AF (when not AI Servo AF) is set, pressing the shutter button halfway to focus will automatically set AE lock at the same time.

The AE lock effect will differ depending on the AF point and metering mode. For details, see “AE lock” (p.164).

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