Not sure about 30D...since I am not a canon user, but& S {& a) E- U9 n$ H& D
, X9 {2 I; A8 [0 ]. z) w- o
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...2 q: V: w# L# ?; m3 Z( ]) `
5 _- x/ d! x6 f, BThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.