This makes it easy to balance flash and ambient lighting for more natural-looking pictures. The Canon 7D also uses E-TTL II control for both the built-in and compatible external flashes (according ...

The Rebel T3's built-in flash has a guide number rating of 30 feet (9.2 meters) at ISO 100, translating to a range of about 8.6 feet at ISO 100 with the kit lens at wide-angle (at f/3.5) and about ...

The Canon Speedlite EL-10 sits between ... enabling users to combine the convenience of E-TTL Auto with the consistency of manual flash exposures. So that’s many of the key specs covered ...