Canon EOS Rebel XT - Manual (Page 100)

Using the Built-in Flash
100
In the same way as normal exposure compensation, you can set
exposure compensation for flash. You can set flash exposure
compensation up to ±2 stops in 1/3-stop increments.
1 Select [Flash exp comp].
¡ Select the [
m] tab.
¡ Press the <
V> key to select [Flash
exp comp], then press <
0>.
2 Set the flash exposure
compensation amount.
¡ Press the <
U> key to set the
desired amount, then press <
0>.
¡ To cancel the flash exposure
compensation, set the flash exposure
compensation amount back to <
E>.
¡ When you press the shutter button
halfway, the <
y> icon will be
displayed in the viewfinder and on the
LCD panel.
3 Take the picture.
y Flash Exposure CompensationN
Standard exposure index
Increased
exposure Decreased
exposure
Exposure level mark
¡ The flash exposure compensation amount will remain in effect even after
you turn the power switch to <
2>.
¡ The procedure is the same with EX-series Speedlites. The flash
exposure compensation amount can be set with the camera.