Canon SPEEDLIGHT 550EX Instructions Manual page 87

• Flash exposure compensation set with the 550EX overrides any flash exposure
compensation set with the camera.
• If the subject is small and the background is dark, flash exposure compensation may
not give the desired result. In such a case, use the manual flash mode. See page 93.
Effect on exposure of each type of compensation
E-TTL flash exposure compensation
AE exposure compensation
Compensating the exposure by
changing the film speed setting
Flash Exposure Compensation
Check that the subject is within the
5
flash range displayed on the 550EX's
LCD panel.
Check that the
6
displayed in the viewfinder, then take
the picture.
Changes the flash exposure of the main subject.
Changes the exposure of the background.
Changes both the flash (main subject) exposure
and the background exposure by the same
amount.
and icons are
Effect
87