>In my mind I would put it done to two basic factors, firstly how the shape and cavities in the lens modify the acoustics of the shutter box environment and secondly the different sounds of the aperture blade/mechanism actions between lenses.
Rob, You're right on. When I was in film school learning sound recording for movies we were admonished not to point the directional mics at the camera lens. Movie cameras designed for sound work run silently. Well, I should clarify that; they run silently to everyone but the sound person who can pick the motor noise with no trouble if they're using a good microphone. Anyway, the camera lens acts like a horn or the bell of a trumpet. The shutter sound effectively travels down the lens and escapes out the front. I experienced this phenomenon first hand (with a Nagra tape recorder, headphones and a directional mic pointing a running camera). I'm sure the same thing happens with still cameras. Differently shaped lenses will certainly have an effect on the sound produced just as voices echo differently in different environments. Brendan MacRae - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
