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 ...
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 ...
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 ...