Alley in Pisa, Italy

by Lars Kotthoff

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2
votes
1answer
196 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?
3
votes
3answers
466 views

Is there any damage that a lens can have that is unrepairable?

Just wondering after I dropped my lens and had it repaired is there any specific kind of damage that would ruin a lens to the point where you'd be better just buying another used one. I'm ...
2
votes
0answers
269 views

What to do about mold/fungus in a camera lens? [duplicate]

Possible Duplicate: Why fungus form in lenses, and how to get rid of it? I am living in a tropical country where humidity is pretty high. I never thought it would be possible that ...
22
votes
5answers
27k 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 ...