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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 12 Feb 2008 (Tuesday) 15:28
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Dust in Viewfinder and Pictures

 
bmitch
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Feb 12, 2008 15:28 |  #1

OK everybody, I have an interesting quandry. I've spent the last several minutes combing through the boards looking at posts dealing with sensor dust and the like but they all talk about how if you can see the dust in the viewfinder it's not on the sensor and if you can see dust on the pictures then it is on the sensor.

I see the same dust on both. I can see it through the viewfinder and I can see the same dust and particles on the pictures.

What are your thoughts?

Mitch


Canon 5D Mark III, Canon EF 28-300mm f/3.5-5.6L IS USM, 580EX II
Canon 5d Mark II, Canon 70-200 f2.8 IS II USM, Canon 17-40mm f4L USM, 50mm f/1.8 II, 430EX
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Mark_Cohran
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Feb 12, 2008 15:34 |  #2

bmitch wrote in post #4905096 (external link)
OK everybody, I have an interesting quandry. I've spent the last several minutes combing through the boards looking at posts dealing with sensor dust and the like but they all talk about how if you can see the dust in the viewfinder it's not on the sensor and if you can see dust on the pictures then it is on the sensor.

I see the same dust on both. I can see it through the viewfinder and I can see the same dust and particles on the pictures.

What are your thoughts?

Mitch

I can't think of anything that would show you both dust in the viewfinder and the same dust on the sensor. It's simply not physically possible. The only potential is a mar on the rear lens element, and I don't think you'd even be able to see that in the viewfinder unless it was fairly large.

I think what you must be seeing is coincidental and that you have dust on your focusing screen and your sensor.


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AdamLewis
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Feb 12, 2008 15:36 |  #3

If theyre in the same spot, its on/in your lens.


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Perry ­ Ge
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Feb 12, 2008 15:42 |  #4

AdamLewis wrote in post #4905167 (external link)
If theyre in the same spot, its on/in your lens.

It'd have to be massive to be able to see it though, it would be way outside the plane of focus.

My guess is...there is dust on BOTH the viewfinder and the sensor :D.


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bmitch
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Feb 12, 2008 15:46 as a reply to  @ Perry Ge's post |  #5

I'm using a Canon 28-300 L so I would hope that no dust got on there. I would be VERY upset by that after spending that much on it.

I'm hoping that I'll be able to side with the majority on this one and that its similar dust on the viewfinder and the sensor.

My wife has just informed me that we are taking it to a camera shop this afternoon to have it cleaned and to learn how to clean it ourselves.


Canon 5D Mark III, Canon EF 28-300mm f/3.5-5.6L IS USM, 580EX II
Canon 5d Mark II, Canon 70-200 f2.8 IS II USM, Canon 17-40mm f4L USM, 50mm f/1.8 II, 430EX
http://www.brishanphot​ography.com (external link)

  
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Dust in Viewfinder and Pictures
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