Canon RS-80N3 Remote Switch for EOS-1V/1VHS, EOS-3, EOS-D2000, D30, D60, 1D, 1Ds, EOS-1D Mark II,III, EOS-1Ds Mark II,III, EOS-10D, 20D, 30D,40D, 50D, 5D, 5D Mark II

A compact remote switch with a 2.6-foot (80 centimeter) cable to prevent camera shake for super telephoto shots, macro photography, and bulb exposures. Handy for taking pictures of subjects that are difficult to approach, or to minimize vibration for close-ups and time exposure.

The remote switch works just like a shutter button, enabling halfway or complete pressing. It also has a shutter-release lock. With the EOS-3's Custom Function No. 12 (mirror lockup), camera shake can be further  reduced.                                                                 

Technical Details