You can take three flash shot while automatically changing the flash output for each shot up to +/-3 stops in 1/3-stop increments (1/2-stop increments if the camera enables only 1/2-stop increments). This is called FEB (Flash Exposure Bracketing)

	Select Press the button so that is displayed The icon and bracketing amount will blink.
	Set the flash exposure bracketing amount Turn the dial to set the amount
	Press the button FEB will be set.

• After the three shots are taken, FEB will be cancelled automatically
• For FEB, set the camera's drive mode to single shot. Be sure the flash is ready before shooting
• You can also combine FEB with flash exposure compensation and FE lock

C.Fn - You can prevent the FEB from being cancelled automatically after the three shots are taken - C.Fn-03

C.Fn - The FEB shooting sequence can be changed - C.Fn-04