Neewer Wireless Master High-speed Sync HSS TTL Flash SL585C, Ultra Powerful GN Master Control Off-camera Speedlite for Canon DSLR, fits Canon 1100D 1000D 650D/T4i 600D/T3i 550D/T2i 500D/T1i 450D/Xsi 400D/Xti 350D/XT 7D 60D 50D 40D 30D 20D 5D III 5D II 5D 1Dx 1Ds series 1D series