Archived posting to the Leica Users Group, 1997/10/09

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Subject: Re: Fungus
From: CapsTeeth <CapsTeeth@aol.com>
Date: Thu, 9 Oct 1997 10:32:17 EDT

I live in hot, humid south Florida and have never had fungus problems.  The
heat isn't the major problem but the humidity is.  Except for when I'm out
shooting, my lenses stay indoors in a closet or cupboard, usually in a bag or
backpack.  There is always air-conditioning on, and so the humidity is kept to
a minimum.  I read somewhere that exposure to UV light can prevent fungus
growth, but I've never tried it.  I'd have to say that without air-
conditioning I might be inclined to rig up a cabinet with a UV light (like
those used in indoor greenhouses) and keep the lenses under the light, sitting
upright with the front caps off so the light shines down through them.  There
are also electric de-humidifiers which can dry out a small room or closet, but
they have to be emptied frequently.  I've never been out "in the field" in
humid conditions long enough to worry about fungus (there's always an air-
conditioned car or motel) so I can't offer much help with that.

Doc