This model of the Vivitar 730AF flash is dedicated to Canon's EOS cameras. The swivel flash head adjusts to 150 degrees to the right and 180 degrees to the left. This bounce-type flash gives your images softer, more professional lighting. The Auto Thyristor circuitry gives this flash a fast recycle time and offers a high number of flashes per set of batteries. Additional features include zoom flash, auto off, and autocheck. The Vivitar 730AF runs on four AA batteries and comes with a two-year warranty.