Not sure about 30D...since I am not a canon user, but ) o" I& y/ k9 b/ G% _ ?7 u* o( i! R ! u, P" R/ e9 r7 K6 U& R7 ~For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...6 _7 P+ r7 z- V2 K1 x0 G/ s1 {" v; {
' B+ J4 B0 y& X; G T. I
The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.