Canon EOS 7 - Manual (Page 63)

AE Lock
With the same focusing point, you can obtain and lock the auto exposure
setting on one part of the picture and then recompose to focus a different
part of the picture. AE lock enables you to maintain the same exposure
setting even after recomposing the shot. This is effective for backlit subjects.
• Also see "AE Lock Effect" on page 92 to see hovi/ AE lock works
depending on the focusing point selection method and metering mode.
The image was removed due
to copyright restrictions
1 Focus the subject where you want
to lock the exposure.
• Press the shutter button halfway to
focus. (S4)
>■ The exposure setting is displayed in
the viewfinder.
J
Press the < * > button. ($4)
■■ The < * > indicator lights in the
viewfinder and the exposure setting
locks (AE lock).
• Each time you press the < * >
button, the auto exposure locks over
the area covered by the selected
focusing point.
Compose the shot and take the
picture.
Q In the One-Shot AF or Al Focus AF (except Al Servo AF) modes, AE lock is set
automatically when you press the shutter button hallway and focus is achieved.
fatgtl C.Fn-4-1 enables AE lock with the shutter button (pressed halfway) and
focusing with the < * > button, (^page 88)
63