Remote Shutter Cable Release Remote Cord for Canon EOS 6D, 7D, 50D, 40D, 30D, 5D, 20D, 10D, 5D Mark II, 5D Mark III, 1D X, 1D Mark IV, 1Ds Mark III, 1D Mark III, 1D Mark II N, 1Ds Mark II, 1D Mark II - Black (Electronics) 5
Remote Shutter Cable Release Remote Cord for Canon EOS 6D, 7D, 50D, 40D, 30D, 5D, 20D, 10D, 5D Mark II, 5D Mark III, 1D X, 1D Mark IV, 1Ds Mark III, 1D Mark III, 1D Mark II N, 1Ds Mark II, 1D Mark II - Black (Electronics)
For HDR photography or other long exposures you need a cable release. That part worked well and served its purpose. Three days after ordering the cable release was with me. Very fast and good.