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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 13 Aug 2010 (Friday) 21:07
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5d Mark II has white halo circles with black dots in the middle of them! HELP!

 
Goondockjeff
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Aug 13, 2010 21:07 |  #1

Anyone else seen this before? Zoomed into actual pixels in photoshop. I cropped in to show a few of them but they are randomly spread over the entire image. All uniform as a white halo with a black dot in the middle.

http://www.flickr.com …/goondockjeff/4​889838868/ (external link)

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | Byte size: ZERO

I put some quick cheesy boxes around the examples. Each image taken however has dozens and dozens of them.

Any input would be greatly appreciated, Jeff

Canon 5d Mark II

  
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Goondockjeff
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Aug 13, 2010 21:14 |  #2

Another example..... smaller crop size and curved to show the dots more prominently. ARGH!
http://www.flickr.com …/goondockjeff/4​889849200/ (external link)

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

Canon 5d Mark II

  
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alann
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Aug 13, 2010 21:15 |  #3

Sure its not just dirt on sensor?


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zooxanthellae
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Aug 13, 2010 21:20 |  #4

Looks like dirt on the sensor to me too.


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cptrios
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Aug 13, 2010 21:23 |  #5

Hmm... looks almost like some kind of fine spray of slightly wet dirt to me. Be SUPER careful if you try to clean the sensor... that stuff looks stuck on.


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Goondockjeff
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Aug 13, 2010 21:46 |  #6

The dots each have halos that are perfectly circular so I have to wonder if dirt would cause that. I may have to use the 5d backup for tomorrows shoot and send this guy in. Just wondered if others had seen the same.


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MichaelBernard
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Aug 13, 2010 21:47 |  #7
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dirty sensor...I had those back in the day. A good cleaning really helped.


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Markitos
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Aug 13, 2010 21:49 |  #8

It's dirt. the halos are probably dried moisture. As mentioned, I'd be careful cleaning the sensor.


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Goondockjeff
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Aug 13, 2010 22:09 |  #9

Not trying to beat a dead a horse here, but one last image. I have been shooting digital for many many many from the 20d, 30d, 40d, 5d and now the mark II and have never seen dust act like this so that is why I am so shocked. This last crop shows just how uniform this is. A halo, a black ring, and then a clear dot in the middle. So very strange.
http://www.flickr.com …/goondockjeff/4​889950618/ (external link)

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

Canon 5d Mark II

  
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MichaelBernard
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Aug 13, 2010 22:11 |  #10
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you ever see dirty water dry on a windshield? It does the same thing...look at dirty water dry on a mirror. Send it in for a cleaning at CPS.


http://www.Michael-Bernard.com (external link)"I think that there will be people disappointed in any camera short of the one that summons the ghost of Ansel Adams to come and press the shutter button for them." -lazer-jock

  
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SilversurferC6
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Aug 13, 2010 22:12 |  #11

If it is under warranty, take it in. Probably just needs a good sensor cleaning by a pro. It's worth it. Get this done, then come back and tell us the result. Cheers.


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Current kit: Canon EOS 5D Mk III; Canon 50 F1.4; Canon L 16-35 F2.8;Canon L 24-105 F4; Canon L 100-400 F4.5-5.6; Metz Mecblitz 76 MZ5, and more stuff.
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cptrios
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Aug 13, 2010 22:30 |  #12

Goondockjeff wrote in post #10717897 (external link)
and have never seen dust act like this

That's because it's not (at least it doesn't seem like) dust. It looks more like legitimate dirt to me. Or even like someone opened a soda can too close to the sensor.


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deadpass
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Aug 13, 2010 23:06 |  #13

any pics that are super cropped in? what does the full size image look like?


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FlyingPhotog
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Aug 13, 2010 23:09 |  #14

Definately spots from dried liquid.

It was either poorly wet cleaned or else you've got a little extra lubricant that's migrated onto the sensor.

Has the camera been kept in a hot car or similar by any chance?


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Goondockjeff
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Aug 13, 2010 23:48 |  #15

I have never attempted to clean it myself. I have my old 5d backup with the proper cleaning kit and swabs but I have not tried to clean the mark II. Makes me nervous. lol. Lots O cash. Have any of you used the swab kit on a mark II?


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5d Mark II has white halo circles with black dots in the middle of them! HELP!
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