http://eoscount.com/Which cameras are supported for shutter count retrieval?
Single-DIGIC III and all DIGIC IV EOS cameras are supported. For example, shutter count can be read from the Rebel XS, Rebel XSi, Rebel T1i, Rebel T2i, Rebel T3, Rebel T3i, 60D, 7D, 5D Mark II, and the 1D Mark IV.
DIGIC II and dual DIGIC III cameras are not supported. For example, the shutter count is not available for the original 5D (Mark I), the 1D Mark III, and the 1Ds Mark III.