Canon Speedlite 580EX II Original Instruction Manual: Amazon.com: Books
Canon Speedlite 580Ex II Flash Review • Points in Focus Photography
Amazon.com : Canon Speedlite 580EX II Flash for Canon EOS Digital SLR Cameras : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Neewer TT560 Flash Speedlite for Canon Nikon Panasonic Olympus Pentax and Other DSLR Cameras,Digital Cameras with Standard Hot Shoe : On Camera Shoe Mount Flashes : Electronics
Canon Speedlite 580Ex II Flash Review • Points in Focus Photography