Re: Feather tracks in lens coatings - any preventative?

Charlie+ writes:

Do you think a broad spectrum antifungal cream for a few minutes might
help arrest what already started if your theory is correct?

You should be able to just remove it with normal optical cleaning methods.

I should add that most fungus cases don't etch glass, so if you clean it
off everything is OK. That's a problem when, for example, it is on the
inside of a a multielement camera lens that can't be disassembled.
.