When the observing night is over, what is the best way to pack eyepieces to prevent mildew or fungus on the glass?
Leo Nouwens, Redbank Plains, Queensland, Australia
Published: Monday, August 25, 2014
If you observe during a night when the temperature and humidity are right for condensation to form, sometimes you’ll notice it on your eyepieces (or telescope optics) at the end of your session. The best way to avoid any ill effects from condensation is to leave your optics uncovered when you bring them inside.
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