EC-961 Flashgun Cable for Canon EOS It's compatible with all Canon Speedlites and all other branded Canon fit flash units, including 220EX, 300EZ, 380EX, 420EZ, 420EX, 430EZ, 430EX, 430EX II, 480EG, 540EZ, 550EX, 580EX, 580EX II. It can be mounted on any Canon auto focus 35mm film or Canon Digital SLR camera, including EOS 1D, 1DC, 1DX, 1Ds, 1D Mark III, 1D Mark IV, 1D Mark II, 1Ds Mark II, IDs Mark III, 40D, 50D, 5D, 5D Mark II, 5D Mark III, 6D, 7D, 10D, 20D, 30D, D30, D60, DSC-530, Canon EOS 1000D, 1100D, 450D, 500D, 550D, 600D, 60D, 60Da, 650D, 400D, 350D, 300D, Canon Kiss F Digital, X2, X3, X4, X5, X50, X6, Canon PowerShot G1X, G10, G11, G12, G15, Canon Rebel T1i, T2i, T3, T3i, T4i, XS, Xsi, Hasselblad H4D-200MS, H4D-31, H4D-40, H4D-50, H4D-50MS, H4D-60... Pentax 645D, K-30, K-5, K-7, K-m, K100D Super, K200D, K20D, Contax, Samsun GX-20, NX-10, NX-100, NX-11, NX-5.