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  1. B

    Should I worry about nitrogen loss in my ED50?

    I don't know whether a car with true climate control set on maximum would reduce moisture enough to be good enough to seal the scope, perhaps in addition to Mayoayo's method. I see high end cars dripping water from their climate control system. Regards, B.
  2. B

    Should I worry about nitrogen loss in my ED50?

    Hi, 60% to 70% humidity is probably a level where fungus could start. If I was sealing a unit I'd start at my present 33% level here with heating on. Or move to Arizona?: If it is under warranty, I suppose it could be returned to Nikon. If not, in these times I'd just keep a close watch...
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