Pixel FC-311/M-3.6M Canon Flashgun Cable for Canon EOS FC-311/M is Canon EOS series camera and flash off-camera cable. It connects the camera and flash to precede off-camera sync flash; same as put the flash top on the camera. Its support all functions of EOS series and flash TTL function. Fit Canon EOS DSLR camera: EOS 7D/5Dseries/1Dseries/50D/40D/ 30D/20D/10D/PowerShot G10/G11 /EOS1000D/550D/ 500D/450D/400D/ 350D/300D Fit:Canon Flash 600EX-RT, 580EXII, 580EX, 430EXII, 430EX, 270EXII, 270EX, 220EX