The fungus is a living thing, and left unattended will/may eventually make your
lens unusable.
John
David Brown wrote:
> I have recently bought a Zuiko 21mm/f2 from warmer climes than here in the
> UK and there are a few threads of what I suppose are fungus spreading for
> 2/3mm from the edges of the lens behind the front element.
>
> Will the fungus spread? I have heard that it can be "treated" with UV light
> but does this remove the fungus or just prevent its spread? We don't get a
> lot of fungus in the Lake District, not on lenses anyway.
>
> Many thanks for any help!
>
> David
>
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