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taking apart a Nikon ED50 (fungus inside)
You're far too pessimistic. For well over 100 years binoculars and scopes were not nitrogen-filled, and the instances of fungus developing were far and few between, unless you lived in a very hot and humid climate. I never had a case of fungus, in none of my optics. And I sure used them in all... -
taking apart a Nikon ED50 (fungus inside)
Interesting. That's the first case of fungus in the ED50 I heard of. The question is of course where the fungus entered the scope. Isn't that just a plain glass sealing the body when you switch eyepieces? I seem to remember there's no further lens below that glass, just the prism block. I...