Not sure about 30D...since I am not a canon user, but 7 t, I) Q- r; L+ f9 H+ i' O 4 I7 _0 @4 A0 V( S( ?! SFor most of the Cameras, this sound is simulated, and it can be turned off in setting manu...4 r$ p( _: O+ W
+ u' d/ q. y: \% x4 E
The shutter and reflective lense sound seldom as loud as what you hear. If yes, they would be damaged very soon.