Re: Dust cleaning on the cheap ?
"...You forgot another rule: Only change the lens while the camera is off to prevent an electrostatic charge to build on the sensor which will attract dust..."
Electrostatic charges wouldn't be bothered, whether the camera is on or off, as long as you don't point an ionizer fan into the camera. Also I can't see how an electrostatically charged sensor behind a metal shutter would make any difference to the dust coming into the mirror box during lens change.
To me your rule is boulderdash! Cheers, Sean.
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