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Originally Posted by ausastronomer
If your glasses do not have good anti reflective coatings you will get reflections back into the eyepiece from the glasses themselves and off your own eyeball. You will think you have "moths" flying around inside your eyepieces.
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This has been my experience when attempting to use glasses for observing, along with the distraction of reflections from local light sources. I gave up on the idea.
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It is important when you get glasses for observing to get good quality ones with high grade anti reflective coatings.
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Are such coatings available as an option from the larger optical franchises, or is this only available from a specialist shop? What coatings are recommended?