The RS-80N3 is an electronic shutter release for use with EOS cameras that are equipped with a mini-jack. Besides being useful for preventing camera shake in slow shutter and close-up photography, it can also lock the shutter open when using the camera's "bulb" function for extra long exposures such as those used in astro-photography.
Features: -This remote cord can prevent vibration during long exposures, close-ups or continuous shooting. -This single button remote has two stages move it to the first stage to initiate focusing, then move it to the second to release the shutter. -You can also lock the button for long exposure photographs (bulb).
Compatible Cameras: -EOS 10D, EOS 1D Mark II N, EOS 1V, EOS 20D, EOS 20Da, EOS 3, EOS 30D, EOS 40D, EOS 50D, EOS 5D, EOS 7D, EOS D30, EOS D60, EOS-1D -EOS-1D MARK II, EOS-1D Mark III, EOS-1D Mark IV, EOS-1Ds, EOS-1Ds MARK II, EOS-1Ds Mark III
Package included: -1*RS-80N3 Shutter Release Cord