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07-30-2012, 09:16 AM   #1
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FA 43 Fungus: What Next?

Much to my disappointment and annoyance, I took a look at my much beloved early edition FA 43 this morning and saw that it definitely has fungus. I do live in an area where the average humidity is around 80%, so this is not too surprising, although I've been successful in avoiding it thus far (through consistent use, and storage with dessicant packs in the least humid area in my home), and hoped my luck would continue.

My question is, what to do next? Given the time it took to find the lens, its value, and of course the joy I get from using it, I wish to save it if it's at all possible. Does anyone know of someone who can successfully rid the lens of fungus? Is this something I can send to Pentax to have resolved? It is on the back element, and appears to be quite advanced. Any help or suggestions on how I can ensure the lens remains usable would be greatly appreciated.

07-30-2012, 09:32 AM   #2
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I'd send it to Eric Hendrickson here >>>>: Home
He always gets great reviews.

Last edited by solar1; 07-30-2012 at 09:56 AM.
07-30-2012, 09:42 AM   #3
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I will never open a prime lens to clean up fungus myself. I find zooms very easy to remove as you have to open the front element first to get to the back, while most fungus infects the front elements. For primes I believe you have to open the back first to get to the front, so there will be a lot of pieces you have to take apart, it's very risky.

I'd recommend investing in these to prevent fungus. https://www.pentaxforums.com/forums/pentax-camera-field-accessories/193465-ad...ilica-gel.html
07-30-2012, 09:53 AM   #4
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I used Eric too for two lenses I bought. He was excellent.

07-30-2012, 09:57 AM   #5
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:-)

See, what'd I tell you .


QuoteOriginally posted by Spodeworld Quote
I used Eric too for two lenses I bought. He was excellent.
07-30-2012, 10:01 AM   #6
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Eric. Great guy, great work, nice price.
07-30-2012, 10:59 AM   #7
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Thanks for all of your help. I'm definitely going to send an e-mail to Eric.
07-30-2012, 11:11 AM   #8
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Yes, and don't wait too long or it will etch the coating.

07-31-2012, 04:28 PM   #9
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Eric ASAP for cleaning.

Store in a sealing Zip Lock freezer bag with ACTIVE dessicant. The dessicant bags quickly get saturated so to be effective they have to be fresh and in an air tight container of some sort. Zip Locks are cheap, light, see-through and will take up little space.

Google around the net and you will find ways of refreshing the silica gel by heating so they can be reused over and over.
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