Not sure about 30D...since I am not a canon user, but # O8 k5 C) P: B7 Z1 l, t 2 l& O9 Q. a8 U! ?5 A: B, AFor most of the Cameras, this sound is simulated, and it can be turned off in setting manu...+ X: X5 t5 D! k: g4 I
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The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.