The RS-80N3 Remote Switch has a 2.6ft/80cm cord will prevent will prevent camera shake for super telephoto shots, macrophotography, and bulb exposures. The RS-80N3 works just like a shutter button, enabling halfway or complete pressing. It also has a shutter release lock.
Compatible with: EOS 3, D2000, EOS 1v/1v HS, D30, and D60, 5D, 5DMKII, 5DMKIII, 6D, 1D, 1Dx, 1Ds