The Vivitar Power Zoom DF-383 Flash for Canon AF DSLR helps you to get the exposure you need for your low-light pictures. It covers a focal range from 24mm to 85mm for versatile performance. This shoe-mount flash is easy to set up or remove as needed. It has a zoom, bounce and swivel head for easy customization of your options. A power-saving mode is easier on your batteries so you can take more pictures before you have to recharge or replace the batteries.