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DPChallenge Forums >> Hardware and Software >> Lens and Fungus!
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Showing posts 1 - 9 of 9, (reverse)
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08/30/2005 04:30:37 AM · #1
I just got 3 lenses (Canon EF 28-80mm f/2.8-4 L USM, Canon EF 135mm f/2.0L USM and Canon EF 400mm f/2.8L II USM) from my uncle as a gift. But the problem is all the lenses are infected with fungus! (he said he didn?t use those for long time!!).

Can any one advice how to clean or remove fungus from lens without opening it?
08/30/2005 04:34:28 AM · #2
damn! those are good lenses too. good luck and i hope you can get them fixed :)
08/30/2005 04:41:35 AM · #3
Bloody mold, i had to throw out my last camera because of that, dont know how the hell it got in there, i kept it in a warmish area.

Any reccommendations in how to avoid that happening to my new camera, Summer is almost here so i wont have a problem at the moment! and i have aquired some of those small moisture suckin gel thingies but i dont know if they last long.

But if you take your lenses to a camera shop they can clean it, i think its best to let them do it! I just didnt get my camera cleaned because it consisted of more parts and would of cost more than it was worth.

Message edited by author 2005-08-30 04:44:07.
08/30/2005 05:01:50 AM · #4
I had to throw out two lenses donated to me because of fungus.

My local camera shop said it was too dodgy to use them coz the spores would get into the new camera.

Steve
08/30/2005 05:06:40 AM · #5
I've been wondering... what does it look like?
08/30/2005 05:15:38 AM · #6
If the fungus is not too bad any good repaiman can dismantle and clean and kill the fungus the problem is that it does eat thru the coatings and into the elements if left unchecked, I recently had a 28/105 minolta lens o/hauled and fungus removed for $120. (N.Z)and it is like new now.

Message edited by author 2005-08-30 05:18:12.
08/30/2005 06:29:06 AM · #7
The 400/2.8 is, of course, worth almost any lengths to save... the otical performance is incredible, and the equivalent lens today is > $6k USD. The 135/2.0 is another stunner, and f you can save it, you'll be astounded by its performance. It will take great diligence on the part of the service tech to make sure it is all cleaned well. After you get them back, store them DRY, and as a precaution store them away from your other glass. Good luck on the cleaning, here's hoping it has not eaten into the coatings.
08/30/2005 07:07:38 PM · #8
I asked the local photographer outlet if it was alright to store the camera/lenses in the hot water cupboard during the winter as this is the driest place in the house.

He said it was to warm, hmmm dosent seem to warm too me, probably around 22 degrees!

Message edited by author 2005-08-30 19:08:06.
08/30/2005 07:12:01 PM · #9
I read an article in a magazine recently...

This is what this guy did, he lived in a really humid area, and his lenses always got fungus in them. He would take a piece of aluminum foil, with the shinier side facing up. Then he would open the aperture on the lens up all the way, and set it with the front element down and set them out in the sun and he said that after a few hours, all the fungus was gone.

Let me know if that works for you.
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