Remote Switch RS-80N3 Remote switch with an 2.6ft cord to prevent camera shake for super telephoto shots, macrophotography, and bulb exposures. The Remote Switch works just like a shutter button, enabling halfway or complete pressing. It also has a shutter-release lock. Its quick-lock plug connects to the new N-3 type remote control socket. Product Compatibility EOS 10D EOS 1V EOS 20D EOS 3 EOS D30 EOS D60 EOS-1D EOS-1Ds