Not sure about 30D...since I am not a canon user, but) d2 [( D+ n( ^9 [/ R0 e
& W1 e. v0 h* ~$ u9 l1 `
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...* h' p6 Q% u3 |- u9 } i0 T5 X
7 R* N4 z0 h# |1 G: ZThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.