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05-27-2011, 12:02 PM   #1
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Sorry to ask: Are these sensor stains?

As the title states, sorry to bring all this back, but I'm wondering if these are sensor stains. I desaturated the image and kicked up the blacks to make them more prominent to see.



05-27-2011, 12:03 PM   #2
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I think you forgot the image
05-27-2011, 12:08 PM   #3
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I think it is just dust, I may be wrong but I think the stains always form a bit of a line.

If its dust a rocket blower should do the trick, or a quick cleaning at your local camera shop (like $20)
05-27-2011, 01:55 PM   #4
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Dust.

05-27-2011, 01:57 PM   #5
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Dust - I had 2 sensors with stains, and they were in a string pattern
05-27-2011, 02:00 PM   #6
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QuoteOriginally posted by mokey Quote
Dust - I had 2 sensors with stains, and they were in a string pattern
They also have a distinct halo around them(when magnified)
05-27-2011, 02:25 PM   #7
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And I repeat:

Dust.
05-27-2011, 02:35 PM   #8
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I'd like to agree (and hope it is the case), but when I used my rocket blower they didn't really seem to budge. Any other suggestions?

05-27-2011, 02:54 PM   #9
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QuoteOriginally posted by yoon395 Quote
I'd like to agree (and hope it is the case), but when I used my rocket blower they didn't really seem to budge. Any other suggestions?
Get it cleaned at a camera shop, they will try a rocket blower first if that doesnt work they do a wet clean on the sensor.

Nothing to worry about, I had the same issue the camera shop cleaned it up perfectly, its pretty cheap
05-27-2011, 03:06 PM   #10
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QuoteOriginally posted by yoon395 Quote
I'd like to agree (and hope it is the case), but when I used my rocket blower they didn't really seem to budge. Any other suggestions?

https://www.pentaxforums.com/forums/pentax-dslr-camera-articles/121739-those-...ml#post1259109

Dust. Sometimes the blower doesn't do the trick. You may need a touch the sensor method. I would learn to do it for myself rather than screwing around with a shop doing it. For the cost of a single cleaning you can purchase the supplies needed.

05-27-2011, 05:14 PM   #11
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It's dust, or possibly oil from the shutter splashed on the sensor.
I've had a few of them, I think some K5s might shed a bit of lubricant from the shutter.

Last edited by Wheatfield; 05-28-2011 at 11:43 AM.
05-27-2011, 10:46 PM   #12
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likely dust...whatever stain images I saw so far had some pattern in close proximity.
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