: the lens or combination of lenses at the eye end of an optical instrument
Examples of eyepiece in a Sentence
Recent Examples on the Web
His first forays into imaging the night sky saw Brecher capture the moon by holding a 'point and shoot' camera up to the eyepiece of his Celestron Ultima 200 Schmidt-Cassegrain telescope.
—
Anthony Wood, Space.com, 25 Apr. 2025
Hold the lens of the smartphone up to the eyepiece of a telescope.
—Mike Lynch, Twin Cities, 9 Mar. 2025
Blood Moon 2025: How To Photograph It With A Smartphone
The best way to photograph the eclipse with a smartphone is to hold it up against the eyepiece of any telescope, with impressive results possible.
—Jamie Carter, Forbes, 13 Mar. 2025
That can be tricky, though, to get your phone in just the right spot behind the eyepiece.
—Mike Lynch, Twin Cities, 9 Mar. 2025
See All Example Sentences for eyepiece
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Anthony Wood, Space.com, 25 Apr. 2025
Hold the lens of the smartphone up to the eyepiece of a telescope.
—Mike Lynch, Twin Cities, 9 Mar. 2025
Blood Moon 2025: How To Photograph It With A Smartphone
The best way to photograph the eclipse with a smartphone is to hold it up against the eyepiece of any telescope, with impressive results possible.
—Jamie Carter, Forbes, 13 Mar. 2025
That can be tricky, though, to get your phone in just the right spot behind the eyepiece.
—Mike Lynch, Twin Cities, 9 Mar. 2025
See All Example Sentences for eyepiece
Cite this Entry
“Eyepiece.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eyepiece. Accessed 9 May. 2025.
Copy CitationKids Definition
eyepiece
noun
eye·piece
ˈī-ˌpēs 
: the lens or combination of lenses at the eye end of an optical instrument (as a microscope or telescope)
Medical Definition
eyepiece
noun
eye·piece
ˈī-ˌpēs
: the lens or combination of lenses at the eye end of an optical instrument
called also ocular
Love words? Need even more definitions?
Merriam-Webster unabridged
Share