Not sure about 30D...since I am not a canon user, but 6 g6 ^6 e: `! [- k" s# [5 ^' n W7 d- u' p; B% ~! r: G+ T8 y% \# k
For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...1 X' t. ]" d+ }
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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.