Canon D20 - Manual (Page 101)

101
The standard exposure set by the camera can be adjusted in 1/3-stop
increments, in a range of –2 to +2.
Press the m button and choose # in the
menu. As you watch the screen, press the
op buttons to adjust brightness, then press
the
m button (p. 41).
X The correction level you specified is now
displayed.
Before shooting, you can lock the exposure, or you can specify focus and
exposure separately.
Set the flash to ! (p. 65).
Lock the exposure.
Aim the camera at the subject to shoot with
the exposure locked. With the shutter button
pressed halfway, press the
r button.
X & is displayed, and the exposure is locked.
To unlock AE, release the shutter button and
press the
r button again. In this case, & is
no longer displayed.
Compose the shot and shoot.
Image Brightness
(Exposure Compensation)
Adjusting Image Brightness
(Exposure Compensation)
Still Images
Locking Image Brightness/Exposure (AE Lock)
Still Images Movies
• AE: Auto Exposure