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[OM] Re: New list member...with a few questions..

Subject: [OM] Re: New list member...with a few questions..
From: "Brian Swale" <bj@xxxxxxxxxxxxxxx>
Date: Wed, 23 Feb 2005 17:19:17 +1300
Hi John & all

John wrote
> 
> Yes, it is possible the fungus can jump to an un-infected host. In the body, 
> it
> can get on the mirror and the face of the pentaprism. I've seen it on the
> outside of the eyepiece glass and on the shutter curtains.  I'd suggest not
> storing these fungus'd lenses on bodies for an extended period of time.

I don't want to seem curmudgeonly, but I suspect John is giving the wrong 
reason for the development of fungus on eyepiece glass and shutter curtains 
at the same time as in lenses on that camera.

Unless the fungus in the lens is VERY well nourished, so well that it 
produces spores (which would look something like this under a microscope
      /oooo
    /
  /

AND when (and only when) the spores are ripe the lens is focussed a lot so 
that the spores are sucked into the camera body, this could not happen.

A much more probable scenario is that both the camera body and the lens 
have been stored /  operated in an environment that is damp, cool, and very 
mouldy  - mouldy with the species of fungus that grows these mycelia, and 
that the air is LOADED with the spores.

Thus the spores would germinate in all the photo environments that John has 
seen, at about the same time - but the lens fungus is much more apparent.

There would be many other  things in the same house also going mouldy.

Brian.

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