The Vivitar DF22 Digital TTL Flash is a compact and lightweight yet fully dedicated flash, with E-TTL I/II program flash designed to work with all Canon digital SLR cameras. It will also work with Canon EOS 35mm film SLR cameras.
The DF22 flash features TTL metering, automatic shutter speed setting, rear or second curtain synchronization, red focus assist beam for low light focusing, flash readiness indication in the viewfinder, and a power saving function.
An Infra-Red Auto focus assistant beam ensures proper lighting under low lighting or complete darkness conditions.
Auto cut-off after 3 minutes.