eyepiece

eye·piece | \ ˈī-ˌpēs

How to pronounce eyepiece (audio)

\

Definition of eyepiece

: 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 Attach a Camera Vandebergh uses a dedicated astronomical CCD camera, but simple webcams mounted above telescope eyepieces just as well. — Eric Adams, Popular Mechanics, "How to Track and Photograph Secret Spacecraft," 10 Nov. 2019 Weirdly, having a camera on your shoulder and looking through an eyepiece focuses the mind. — Joey Nolfi, EW.com, "The Aeronauts cinematographer deserves Oscars for shooting an entire movie in fear," 6 Dec. 2019 Porro prisms are inexpensive to make, but often result in larger binoculars as the eyepiece is offset from the binocular tube to allow room for prisms to flip the image on the way to your eye. — James Lynch, Popular Mechanics, "8 Great Binoculars for Getting a Closer Look," 18 Oct. 2019 Try using medium- and high-powered eyepieces for additional details. — Arnold Pearlstein, sun-sentinel.com, "The Stars This Week: Nov. 3 - 9," 3 Nov. 2019 Although the eyepieces were worn by soldiers on both sides, the German High Command played the biggest part in reviving them. — Austin Grossman, The Atlantic, "Monocles Were Never Cool," 13 Oct. 2019 Using low powers to sweep them up is a good idea because your eyepiece will cover more sky ground. — Curtis Roelle, baltimoresun.com/maryland/carroll, "Star Points: Fall a great time to view gas giants Uranus and Neptune," 4 Oct. 2019 First, make sure your telescope and all of the eyepieces sit outside for at least a half-hour so the optics can acclimate to the outside temperature. — Mike Lynch, Twin Cities, "Sky Watch: The second-prettiest planet — next to Earth, of course — is on the rise," 28 July 2019 Here are a few things to know about Tuesday night’s big show: Saturn is usually best viewed through the eyepiece of a telescope, but those of us who are merely equipped with a pair of naked eyes will have a great view of the planet Tuesday evening. — Patrick May, The Mercury News, "Saturn and its rings will be visible tonight; here’s when and where to watch," 9 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eyepiece.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Keep scrolling for more

Learn More about eyepiece

Dictionary Entries near eyepiece

Statistics for eyepiece

Last Updated

11 Jan 2020

Cite this Entry

“Eyepiece.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/eyepiece. Accessed 21 January 2020.

Keep scrolling for more

More Definitions for eyepiece

eyepiece

noun

English Language Learners Definition of eyepiece

: the part of a telescope or microscope that you look through

See the full definition for eyepiece in the English Language Learners Dictionary

eyepiece

eye·piece | \ ˈī-ˌpēs

\

Kids Definition of eyepiece

: the lens or combination of lenses at the eye end of an optical instrument (as a microscope or telescope)

eyepiece

eye·piece | \ ˈī-ˌpēs

\

Medical Definition of eyepiece

: the lens or combination of lenses at the eye end of an optical instrument

— called also ocular

Keep scrolling for more

WORD OF THE DAY

bonhomie

good-natured easy friendliness

Test Your Vocabulary

Intact Latin Quiz

What did focus mean in Latin?

Can you spell these 10 commonly misspelled words?

Test Your Knowledge - and learn some interesting things along the way.