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Old 06-27-2014, 10:34 AM   #1
ride365
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What's causing this? Sensor problem?

I've seen this recent development in a set of photos. I've exaggerated the image settings to pronounce the spots. They aren't on the wall, as they show up in multiple photos across multiple surfaces... it's not on the outside of the lens... I've never seen sensor dust like this... any ideas?

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Old 06-27-2014, 01:09 PM   #2
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You've tried a different lens? It looks like dust on the sensor but it also looks too regular to be random dust. Does it persist across the entire image or is it isolated to a certain area?
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Old 06-27-2014, 11:50 PM   #3
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It certainly looks like dust on the sensor. But you're right, that's a LOT of it.

Is the camera an SLR? If so, lock the mirror up and use one of those little dust-blowy thingamagigs and air clean the sensor a little bit.

Then take another pic and see if the spots are better or have at least moved. If so, you know it's dust on the sensor and it's time for a thorough cleaning, either by you or a pro.

If nothing changes, then at least you know it's not a dirty sensor.
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Old 06-30-2014, 05:10 PM   #4
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I've read articles about people getting a fungus on their lens
http://www.zeiss.com/camera-lenses/e...on_lenses.html
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Old 07-01-2014, 10:40 PM   #5
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Ok, finally got around to troubleshooting this.

It's consistent across lenses, so it's not a lens problem. It looks to be concentrated in the center of the image. Rocket Blower did not make them budge. It seems like what I would expect fungus or some other growth to look like.

Next step is to get the swab in there. Will update later. At least I now have some information so I can mitigate the problem until I get it resolved.
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Old 07-06-2014, 12:14 AM   #6
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I swabbed the sensor. A couple times, pretty thoroughly. Cleaned away the dust, but these spots didn't budge. Any other ideas?
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Old 07-06-2014, 10:27 AM   #7
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take it to a local camera shop and maybe they can diagnose and fix the issue. otherwise maybe send it in to the manufacturer for cleaning/maintenance
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Old 08-02-2014, 09:54 PM   #8
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OP, any update?
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Old 08-03-2014, 12:38 AM   #9
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I don't have any new ideas, so I'm just living with it. It's my backup/secondary camera, so I only use it for wider aperture shots and it hasn't been noticeable.
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Old 08-03-2014, 11:48 AM   #10
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Why not take it to a local shop for cleaning/troubleshoot or ship it Canon Service Center?
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Old 08-03-2014, 01:05 PM   #11
ride365
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Just time, cost and hassle. If it was my primary camera and was affecting my work, I would resolve it.
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Old 08-05-2014, 05:59 PM   #12
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If it is a fungus, then you risk it spreading to your other camera and lenses by not taking care of it promptly.

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Old 08-05-2014, 06:44 PM   #13
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Good point. I'll look into it.
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Old 09-04-2014, 01:24 PM   #14
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OP, did you ever get this fixed? Curious to know what it was.

It does look a lot like the dust in this photo here only much worse in your case.



taken from this article
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