Not sure about 30D...since I am not a canon user, but2 |/ h4 q! i: E
3 V: m, A2 @ ]! ?* m
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu... ; x1 D( V8 h) _! K4 F2 K/ r6 M6 o9 O/ q/ a5 j
The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.