Not sure about 30D...since I am not a canon user, but % P1 @ o+ g8 @& y; @4 [! q4 Y0 O) h+ @. ~
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu... ) @+ z9 u" Q) {/ ~ 0 S6 U1 ]7 r9 c' ~0 O4 f/ r3 g5 D( |The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.