The flash's swivel head provides optimal lighting flexibility; a 0 to 330° horizontal rotation and -7 to 120° vertical tilt help to more effectively control light to produce evenly lit images. The flash's 1/1 to 1/256 power range offers broad and narrow light outputs, and the -3 to +3 EV exposure compensation with 1/3 stop increments offer dependable and consistent illumination in unpredictable or changing shooting environments.