Bower Dual Intelligent Digital Speedlight for Canon EOS 7D, 5D, 60D, 50D, Rebel T3, T3i, T2i, T1i, XS Digital SLR Cameras (SFD52C) Bounce and swivel zoom head allows versatile reflection for difficult lighting conditions Guide Number: 112 feet (50mm @ ISO 100) For Macro, Medical and Hobby Photography Compatible with all Canon EOS models including: 1D/1Ds, 5D, 7D, 50D, 60D, T1i, T2i, T3/3i, XSi, XS, XT/Ti, 300D, 400D, 450D, 1000D Includes 58m and 67mm adapter rings and synch flash cord for dual flash attachment