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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 04 Nov 2006 (Saturday) 15:15
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Dirty EFS 18-55mm lens

 
fuzzygraphics
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Nov 04, 2006 15:15 |  #1

Well, I managed to accumulate some dust particles on the inside of my EFS 18-55mm lens (the 350d/Rebel kit lens). I thought I was being careful, but apparently not enough. When I shoot (particularly wide) with this lens I get an immense amount of artifacts on the finished shots. It seems as though lint or something like it found its way behind the outermost lens glass. I have no idea how to go about fixing this.

I brought it to my local camera shop (which has been very helpful in the past) and they recommend replacement. The lens is still under warranty, although I can't speak to the validity of this being a warranty claim.

So fellow forum members, I ask you what a suggested course of action may be. Should I replace the lens? Should I pursue having it disassembled and cleaned somewhere? Should I sue Canon for making a lens not completely moron proof, since I clearly found a way to muck it up? (completely kidding, for the sarcasm impaired).

I have come to realize that this lens is an entry level, general purpose lens and as such I am open to taking this opportunity to upgrade. However, if this lens is still salvageable, I do not wish to discard it.

Any thoughts on the subject would be appreciated. Thanks for reading!


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deadpass
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Nov 04, 2006 15:18 |  #2

what about stopping down to like f/8, can you still see the dust? Do you know for sure that it's dust in the lens? I mean, can you physically see the dust when looking at the elements of the lens? If you have the money, might as well replace it with better glass. Can you post a picture showing the dust so we can get an idea of the scale of muck?


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steved110
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Nov 04, 2006 15:42 as a reply to  @ deadpass's post |  #3

I'd send it in as a warranty repair. I take no special care with my kit lens, and I would be seriously unhappy if any crud worked its way inside - there must be a fault to allow this to happen. a few dust flecks building up over the years is one thing - but to have so much dust is affects the image is quite another.

Incidentally - you have checked that the artefacts on your images are not caused by sensor dust? ??

Little flecks on the front element should be invisible on the image.

Perhaps you could post a sample?


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creamcorn
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Nov 04, 2006 16:07 as a reply to  @ steved110's post |  #4
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throw it out and buy another... ha


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Stackinchips
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Nov 04, 2006 16:11 |  #5

Yea trash it and sell it for cheap... you deserve better :)


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Jim ­ McKeogh
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Nov 04, 2006 17:53 as a reply to  @ Stackinchips's post |  #6

You may want to take both suggestions. Send the lens back to Canon for free repairs under warranty and upgrade to a better lens. You could use the new lens as your main lens and have the repaired kit lens as a backup.

I am very happy with my kit lens but would also like to upgrade to a higher quality replacement.

Of course, if you take my suggestion you will have to research which new lens to buy.:grin:

Jim




  
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bolantej
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Nov 04, 2006 18:24 |  #7

can you post a shot of the problem? sounds like sensor dust to me. if so, get a hand held blower bulb and give it a few puffs. do not use compressed air.




  
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mxwphoto
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Nov 04, 2006 19:01 |  #8

Send the kit lens in for servicing. If they say it's not covered, all you lose is a few bucks shipping. In the meantime, if you want to spend the money, upgrade to a nice 17-40L w/rebate (if you like the kit's focal range) and a nice b+w or hoya pro filter for the seal. You can even buy another lens on the list for double the rebate amounts. Your can then use your fixed (or unfixed) kit lens as a macro lens if you mount it reversed via an adapter off of e-bay.


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Stavhp
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Nov 04, 2006 19:32 |  #9

Leave it there, falls out eventually
I had the same prob, NOT NOW!!


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fuzzygraphics
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Nov 05, 2006 01:38 as a reply to  @ Stavhp's post |  #10

I am fairly certain that the artifacts are related to the lens and not the sensor. I haven't had any issues with the sensor using my nifty fifty, but the kit lens is consistently giving me grief. Perhaps I'll take this as an opportunity to upgrade and send the lens in and hope for the best. Thanks all for the comments, I think I'm going lens shopping.


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Dirty EFS 18-55mm lens
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