Ae lock – Canon EOS D30 User Manual
AE lock enables you to lock the exposure at a place other than the point of focus. After locking
the exposure, you can recompose the shot while maintaining the exposure level. This feature is
useful for backlit and spotlighted subjects.
The effects of the AE lock depend on the focusing point and metering method selected.
Focus on the point on which you
want to lock the exposure reading.
The exposure value is displayed in the
icon lights in the viewfinder to
indicate that the exposure setting is
Each time you press the
current exposure setting is locked.
Compose the shot and take the
You can apply AE lock by pressing the shutter button (instead of the
down halfway, and focus with the
button. (C.Fn-2-1 →124)