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Eyepieces primer?
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31-07-2018, 09:19 PM
morls
(Stephen)
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Join Date: Sep 2009
Location: Melbourne
Posts: 696
That's a great link M11, thanks!
This might also be useful - the first section not so much, but the second section describes the construction of different types.
https://en.wikipedia.org/wiki/Eyepiece
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