Not sure about 30D...since I am not a canon user, but . N# Q+ Q8 J1 Q: `( U/ |! \" K" w: M
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu... - w7 X* K/ U3 H$ W2 J' B) ~. l! _5 m6 Z4 Y- P8 T4 `) h2 D% C
The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.