Not sure about 30D...since I am not a canon user, but3 M f, J D1 C( q" M3 ?
3 Y# {9 E: i, X1 W1 q
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu..., F5 R1 o" `6 z" c' u
. h( J. K3 g! w6 uThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.