: 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
Eye Relief: Eye relief refers to the ideal distance from your eye to the eyepiece glass.
—
Scott Gilbertson, Wired News, 25 June 2025
The lens is equipped with a focus ring for precise adjustments, and the removable rubber eyepiece cover helps block light interference.
—Matt Morris, Space.com, 25 May 2025
This electric signal is subsequently rendered on a micro display LCD screen, which the user views through the eyepiece.
—Matt Morris, Space.com, 25 May 2025
The trick for this is to find binoculars with spacious eyepiece adjustments.
—Bestreviews, Mercury News, 12 May 2025
See All Example Sentences for eyepiece
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Scott Gilbertson, Wired News, 25 June 2025
The lens is equipped with a focus ring for precise adjustments, and the removable rubber eyepiece cover helps block light interference.
—Matt Morris, Space.com, 25 May 2025
This electric signal is subsequently rendered on a micro display LCD screen, which the user views through the eyepiece.
—Matt Morris, Space.com, 25 May 2025
The trick for this is to find binoculars with spacious eyepiece adjustments.
—Bestreviews, Mercury News, 12 May 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 29 Jul. 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
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