The new Speedlite EL-5 provides high-end performance, speed, and improved wireless flash functionality in a smaller, lighter body.
Canon Speedlite EL5 Flash - Canon Central and North Africa
Canon Explorer of Light Bob Davis and the Canon Speedlite EL-5
Speedlite EL-5: 6+ Things to Know About Canon's New Professional Flash
Canon Speedlite EL-5 review
Speedlite EL-5: 6+ Things to Know About Canon's New Professional Flash
Canon Speedlite EL-5 : Electronics
Canon Speedlite EL-5 : Electronics
Speedlite EL-5: 6+ Things to Know About Canon's New Professional Flash
Canon EL-5 Flash Speedlite Review by Ken Rockwell