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  1. B

    Should I worry about nitrogen loss in my ED50?

    I decided to take Jerry's advice, get a life, use the scope, and worry about more important things. :) They really are terrific little things.
  2. B

    Should I worry about nitrogen loss in my ED50?

    Hi all, So many posts from me! Sorry about it all. Going through an optics reconfiguration. As I mentioned in the fragile ED50 thread, the eyepiece mount unscrewed from my unit resulting in a loss of nitrogen and replacement with air at standard humidity. The unit is now rethreaded and...
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