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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 27 Mar 2008 (Thursday) 16:51
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24-105L dust issues

 
Stickman
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Mar 27, 2008 16:51 |  #1

24-105L dust issues.

I've had this lens for the past 3 months, and its lead a fairly sheltered life. Its done some work outside with it, but not much, and not in anything that I would consider super dusty conditions. In some recent work, I found that I've getting flare from dust that is behind the outermost layer of glass (F18-22 shots).

I'm not sure how it got there,but I am sure that the lens is almost unusable right now. I've never had this as an issue with any of my other lenses, including other L, non-L, or other brand lenses. I'm able to switch over to my 17-40L or Tamron 28-70, but it doesn't change that the 24-105L is the lens that I picked up to by my workhorse...


Is this something that I can clean out myself, or does it need to be sent in for cleaning? Has anyone else had a similar issue?


Thanks for any and all help.


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gasrocks
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Mar 27, 2008 17:46 |  #2

At f18 - F22 I wouldn't expect much from any lens, dust or not.


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PhotosByEric
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Mar 27, 2008 17:52 |  #3

I've had mine for 2 years and use it everyday without one spec of dust in it. I've got some dust on my sensor but not in the lens itself.

Eric


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gofer
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Mar 27, 2008 18:02 |  #4

Stickman wrote in post #5204716 (external link)
24-105L dust issues.

I've had this lens for the past 3 months, and its lead a fairly sheltered life. Its done some work outside with it, but not much, and not in anything that I would consider super dusty conditions. In some recent work, I found that I've getting flare from dust that is behind the outermost layer of glass (F18-22 shots).

I'm not sure how it got there,but I am sure that the lens is almost unusable right now. I've never had this as an issue with any of my other lenses, including other L, non-L, or other brand lenses. I'm able to switch over to my 17-40L or Tamron 28-70, but it doesn't change that the 24-105L is the lens that I picked up to by my workhorse...

Is this something that I can clean out myself, or does it need to be sent in for cleaning? Has anyone else had a similar issue?

Thanks for any and all help.

Are you sure the dust is being caused by dust? Some 24-105mm lenses had a flare problem that was acknowledged by Canon and repaired FOC. See here : http://www.usa.canon.c​om …egoryid=216&mod​elid=11924 (external link)


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Stickman
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Mar 27, 2008 19:23 |  #5

gofer wrote in post #5205176 (external link)
Are you sure the dust is being caused by dust? Some 24-105mm lenses had a flare problem that was acknowledged by Canon and repaired FOC. See here : http://www.usa.canon.c​om …egoryid=216&mod​elid=11924 (external link)


Thankyou, I checked and its a "UV" series, not one of the "UT" that was recalled.


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Stickman
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Mar 27, 2008 19:25 |  #6

Eric&Susan wrote in post #5205117 (external link)
I've had mine for 2 years and use it everyday without one spec of dust in it. I've got some dust on my sensor but not in the lens itself.

Eric

Thats more along the lines of what I had expected. I had thought all of the "L" series were weather proofed to a higher degree than most other lenses.


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smorter
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Mar 27, 2008 19:52 |  #7

Not all L series are weatherproof.

Even the ones that are, e.g. my 70-200 f/4L IS still get dust inside. I have about 5 specks on various elements. No more have appeared since I started using a UV filter


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Mark_Cohran
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Mar 27, 2008 20:58 |  #8

It would have to be a pretty thick layer of dust to cause a flare problem. I've had my 24-105 for a couple of years and have used it in some very dusty environments and it's still pristine (and I generally don't use filters).


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gofer
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Mar 28, 2008 03:37 as a reply to  @ Mark_Cohran's post |  #9

Personally I always found it easy to get the 24-105mm to flare. I was out with a mate a while back and we were discussing this very issue. I took this picture at that time saying I would bet the lens would show a lot of flare :

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I know perhaps most lenses would flare with a low sun just clipping in front of the hood like that but as I say, it has always seemed easy to get the 24-105 to display it.

Steve.

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The_Camera_Poser
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Mar 28, 2008 08:27 |  #10
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I have a 24-105, a 18-55 and a 50/1.8. All ride around in the same bag. The 18-55 and 50 are full of dust, the L has nothing. I'd get those seals checked! Is it under warranty?




  
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The_Camera_Poser
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Mar 28, 2008 08:27 |  #11
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BUT- having said that, it is VERY flare prone- worst lens I have for it actually.




  
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Stickman
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Mar 28, 2008 10:43 |  #12

The_Camera_Poser wrote in post #5208835 (external link)
I have a 24-105, a 18-55 and a 50/1.8. All ride around in the same bag. The 18-55 and 50 are full of dust, the L has nothing. I'd get those seals checked! Is it under warranty?




Yes it is, I'll take it in today and see what the dealer says.


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photounit
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Apr 02, 2009 16:02 |  #13

I have a 24-105L which is also only 3 months old and I just found that my lens has 4 large particles on the second lens element....... I'm not sure how or why this happened as I have babied the lens...... I have a wedding to shoot next weekend and was going through all my lens and equipment today and cleaning everything when discovered it..... I really wanted the 24-70L and now it looks like I'm going to have to buy it as I don't think I can get it repaired before then and I don't want to risk using it in its present condition...... Now I wonder if Canon will fix it for free or try to say it's may fault - Which it's not......




  
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nicksan
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Apr 02, 2009 16:11 |  #14

The 24-105L is weather sealed. However according to Canon, you need to use a protective filter to complete the seal.
I've never noticed any flare issues with my 24-105L...bought back in late 2006/early 2007...




  
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Roy ­ Mathers
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Apr 02, 2009 16:17 |  #15

I've had mine for over two years and have never experienced flare problems.




  
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24-105L dust issues
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