Thanks, Winsor. Very interesting. I hadn't realized that the Pentax
ans Sony systems weren't ultrasonic but it makes sense as part of the
anti-shake mechanism. Perhaps the delay in the E-3 is how to combine
low frequency anti-shake with ultrasonic dust removal.
Chuck Norcutt
Winsor Crosby wrote:
> http://pixinfo.com/en/articles/ccd-dust-removal/
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