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03-27-2008, 08:41 AM   #1
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K10D dust removal works: anecdotal evidence

In the six months I had my K100D, dust was a constant problem. I never had anything I couldn't get out with a rocket blower, but it was still pretty much getting in every time I changed the lens.

In the six months I've had my K10D, right now is the first I've ever noticed a speck that doesn't go away when using the dust removal feature. I don't have it set to run every time I turn on the camera, but run it a few times whenever I change the lens and every now and then when I think of it. And it's a pretty small thing it doesn't show up at all in sky shots at wide apertures, only when I really stop down specifically to look for dust. Haven't gotten the rocket blower out yet to see if it helps.

So anyway, in real-world use, looks like the coating and extra shake do have a positive effect.

03-27-2008, 02:26 PM   #2
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QuoteOriginally posted by mattdm Quote
In the six months I had my K100D, dust was a constant problem. I never had anything I couldn't get out with a rocket blower, but it was still pretty much getting in every time I changed the lens.

In the six months I've had my K10D, right now is the first I've ever noticed a speck that doesn't go away when using the dust removal feature. I don't have it set to run every time I turn on the camera, but run it a few times whenever I change the lens and every now and then when I think of it. And it's a pretty small thing it doesn't show up at all in sky shots at wide apertures, only when I really stop down specifically to look for dust. Haven't gotten the rocket blower out yet to see if it helps.

So anyway, in real-world use, looks like the coating and extra shake do have a positive effect.
that's good to hear because there was a formal test done which said the Pentax anti-dust system was next to useless, with olympus being the winners. don't have a link handy, but they also mentioned that the REASON they did the test was that the K10D system was useless.
03-27-2008, 02:32 PM   #3
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QuoteOriginally posted by k100d Quote
that's good to hear because there was a formal test done which said the Pentax anti-dust system was next to useless, with olympus being the winners. don't have a link handy, but they also mentioned that the REASON they did the test was that the K10D system was useless.
The tests I have read have called it down as "relatively ineffective" and/or "sometimes works". I have yet to de-dust my sensor, and I have been playing with nearly all my lenses to see how they work. I have the camera set to "buzz" when I turn it on.
03-27-2008, 02:35 PM   #4
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Review: Dust removal systems / sensor cleaning - Pixinfo.com
here it is

03-28-2008, 06:08 PM   #5
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QuoteOriginally posted by k100d Quote
that's good to hear because there was a formal test done which said the Pentax anti-dust system was next to useless, with olympus being the winners. don't have a link handy, but they also mentioned that the REASON they did the test was that the K10D system was useless.
Yeah, I saw that too (and it's actually why I'm bothering to post this). In the test, they leave the cameras open on their backs overnight in an intentionally dusty environment. This doesn't necessarily mirror the real-world situation.

I think it does tend to demonstrate that there's room for improvement in Pentax's system but my experience shows that it's better than nothing.
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