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Review title: Works great on a Canon 40D.
Product review: Scott Kelby ("The Digital Photography Book") recommends a cable release used in conjunction with a tripod in order to get sharper photos. A cable release is also a must for taking pictures of fireworks so you can time the shutter correctly while watching the sky instead of the viewfinder.I didn't want to spend $50 on the Canon RS-80N3, especially since it wouldn't work for my Rebel XTi. This release cable is half the cost, and works great. Might be nice to have the model with the longer cable in order to take some candid shots of birds, etc.
