Not sure about 30D...since I am not a canon user, but- Y, x3 r. c' v, c \5 X' S- x# h
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For most of the Cameras, this sound is simulated, and it can be turned off in setting manu...) x# @# m, B# L7 f
- C7 s: G C8 Y/ V5 N% oThe shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.