Not sure about 30D...since I am not a canon user, but 1 U) J/ l- }8 m # Q) T0 S9 n6 ^/ ^ x. ?For most of the Cameras, this sound is simulated, and it can be turned off in setting manu..." L. m! Q8 R0 I7 q0 h( B% h
+ E( I( j3 P' r D8 J$ dThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.