Not sure about 30D...since I am not a canon user, but % k0 z" I4 e% j) h! Y, b' G- s7 M$ V# `( }+ B$ z
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...) A; ~1 a0 l8 ?
9 C; w, {2 ~6 f% {6 W% vThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.