Well, I have to add that on my recently-reported "dust incident" with my new 30D, that the dust spots did look quite sharp and in-focus on the first frames in which they appeared. On subsequent frames they became fuzzier and blobbier. It could have been variation with aperture, I'm sorry I no longer have the images to check, but I suppose it could also have been some movement of the dust "settling" down" on the sensor glass. I suppose another possibility would be dust suspended in liquid, like early-morning moisture, or ocean spray, that gradually spread on the sensor glass. But if that were the case - a liquid stain - I don't suppose the rubber bulb would have solved it, which it did in my case.

Ken




At 11:56 AM 4/14/2006, you wrote:
On 4/14/06, Huber, Rick <[EMAIL PROTECTED]> wrote:

> Truthfully
> this doesn't look like the typical dust issues I have seen on a digital
> sensor. They are too defined and almost in focus. Dust on your sensor
> would block several pixels and would look more like a giant blob of
> fuzzyness rather than a defined spot on the photo.

They do look rather distinct.  I wonder if it could possibly be
something on the sensor itself, rather than just on the filter.  That
would explain both the better focus and the ineffectiveness of
cleaning procedures.  If that is the case, it's definitely in need of
a return to Canon.

Lee
--
Lee Hiers, AA4GA
"Have Dobro Will Travel"
*

Ken Durling
Composition and Music Services
Berkeley, CA
[510] 843-4419

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