Serene Life

by garik

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2
votes
1answer
223 views

UV to kill fungus

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?
4
votes
1answer
196 views

How to set up a safe environment to clean inside an old lens?

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 ...
23
votes
5answers
30k views

Why does fungus form in lenses, and how to get rid of it?

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 ...