This shutter can use with Canon EOS n3 connector compatible cameras. You can use with 3 position switch or stick. Canon EOS camerasonly supported photo function when using N3 plug. If you want to use control with photo and video modes you can see http://www.rcshutter.com/index.php?route=product/product&product_id=50
If you dont use video mode and you take sports photograhs this shutter is good for you.
Shutter has 3 mode:
Up : Continuous Shooting ( Every supporting Mps (max per second) of your camera)
Center : Idle mode
Down : Single Shoot
Compatible Camera Models :
Canon Eos Digital Cameras
50D, 40D, 30D, 20D, 10D, D60, D30
5D, 5D Mark II, 7D
1D, 1D Mark II, 1D Mark II N, 1D Mark III
1Ds, 1Ds Mark II, 1Ds Mark III
D2000 (aka Kodak 520)
Canon Film Cameras:
EOS 1, EOS 1V, EOS 1V-HS
EOS 3
