Flash output level compensation

Flash output level compensation :
A control used to adjust a TTL auto flash operation, enabling an increase or decrease of flash output to lighten or darken the flash effect.
Flash shooting distance range : ...

Flash output level compensation:
Also known as FEC or flash exposure compensation. A control used to adjust a TTL auto flash operation, enabling an increase or decrease of flash output to lighten or darken the flash effect.

Flash Exposure Bracketing A feature that enables you to automatically bracket exposures at varied flash outputs without changing the shutter speed and/or aperture. Flash Output Level Compensation A control used to adjust an automatic TTL ...

See also: Subject, Speed, Frame, Aperture, Mode