Not sure about 30D...since I am not a canon user, but, S1 I; ?! d% b: E: m
) H* M+ M; ^% l! x% V N, oFor most of the Cameras, this sound is simulated, and it can be turned off in setting manu... 2 g6 Q/ _9 k3 Q) |4 b0 H4 ~& l g3 c6 f4 ^( W4 B
The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.