zenith eyepiece
noun
: an eyepiece or adapter containing a right-angle prism or a plane mirror to reflect the rays from an object near the zenith to the side of a refracting telescope for more convenient observation
called also diagonal eyepiece
Dictionary Entries Near zenith eyepiece
Cite this Entry
“Zenith eyepiece.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zenith%20eyepiece. Accessed 26 Nov. 2024.
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