Are UVA leds effective to kill fungus or is sunlight better (it contains UVA and UVB)? What is the recommended power? Related: Why does fungus form in lenses, and how to get rid of it?
I have a couple of old lenses from film SLRs that I picked up at an opp shop a few weeks ago. A few of these lenses are in pretty good shape, except the fact they have fungus growing inside the lens ...
Recently I was using an old Pentax 50mm f/2 that had a quite big green spot, and later I was informed that it was a fungus. A couple of questions raised from this: Why does fungus form inside the ...