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Re: [OM] KILL the Fungus

Subject: Re: [OM] KILL the Fungus
From: "Giles" <cnocbui@xxxxxxxxxxxxx>
Date: Mon, 4 May 1998 20:19:21 +0000
Ok, you have killed off the fungus.

Now what about the spores?  I seem to recall they are somewhat 
tougher.  When your lens warms up the spores might start the ball 
rolling again.

Giles

> 
> Hello Omympoids,
> 
> 
> The recent threads on fungus (pun intended ;) ) have been very interesting. 
> I did a bit of research about this organism, and have read that most fungus
> is very host specific, and is also very sensitice to environement.   They
> require fairly specific growing surfaces,   this is probably why we usuually
> only see the thread type fungus on lenses.    I have read that funguses can
> only survive within certain temperature ranges too,  in fact the reference I
> saw said that common  fungi cannot survive below 5C or above 50C,  Humidity
> also plays a strong part in fungi survivablity.
> 
> After reading this I tried DEEP freezing my 135mm lense for a few days in a
> sealed bag with some silica gel at about -18C.   Hopefully this will have
> killed off any remaing fungi.   To me this seems more reliable than the UV
> treatment as there are no hidden or shaded area of fungi.
> 
> Any fungi-ologists ;) on this list who can comment on this...
> 
> 
> Stuart

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