Flash exposure compensation with the 550EX can be set up to +/- 3 stops in 1/3-stop increments (or 1/2-stop increments with some cameras). You can also use flash compensation in combination with normal exposure compensation (to control the background's exposure level) in a flash picture.
 |
Press the <SEL / SET> button and select 
- Pressing the <SEL / SET> button changes the blinking setting in the following loop
- The icon and the flash exposure compensation amount will blink.
|
| Press the <+> or <-> button to set the desired flash exposure compensation amount |
Press the <SEL / SET> button or press the shutter button halfway
- The icon and flash exposure compensation amount will stop blinking and remained displayed
|
|
Focus the subject
When the shutter button is press halfway, the flash exposure compensation amount is displayed on the viewfinder's right and the +/- icon is displayed on the viewfinders bottom
Check that the subject is within the flash range displayed on the 550EX's LCD panel
Check that the  and the +/- icons are displayed in the viewfinder then take the picture.
|
If flash exposure compensation has been set with the Speedlite and on the camera, the Speedlite's flash exposure compensation amount will override the camera's
