Not sure about 30D...since I am not a canon user, but 3 `7 i8 C/ Q2 w$ [) Q9 M' b0 S9 S/ d9 }, O; f! S3 w
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu... ; b0 G: h* j: F5 K/ c: G' _9 I: G$ N : j' [' F4 [" T6 ]The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.