An error message occurs when the camera is in “Bulb” mode
The following cameras do not support shooting in bulb mode with DSLR Camera Remote. Unfortunately there is no way for us to add this functionality, as it is a limitation of the Canon EOS SDK which our product is build on top of.
1D Mark II
1Ds Mark II
1D Mark IIn
20D
30D
5D
Rebel XT/350D/Kiss Digital N
Rebel XTi/400D/Kiss Digital X