How to Use eyepiece in a Sentence

eyepiece

noun
  • That can be tricky, though, to get your phone in just the right spot behind the eyepiece.
    — Mike Lynch, Twin Cities, 9 Mar. 2025
  • Hold the lens of the smartphone up to the eyepiece of a telescope.
    — Mike Lynch, Twin Cities, 9 Mar. 2025
  • Those phases are more than just a lovely sight at the eyepiece.
    — Phil Plait, Scientific American, 2 June 2023
  • Try to keep your eye plugged to the eyepiece for at least 10 minutes at a time.
    — Mike Lynch, Twin Cities, 23 June 2019
  • Try to keep your eye plugged to the eyepiece for at least 10 minutes at a time.
    — Mike Lynch / Sky Watch, Twin Cities, 22 Apr. 2017
  • As for cameras, experts advise putting a piece of tape over the eyepiece.
    — Lee Roop, AL.com, 23 June 2017
  • In some cases, a child will grab the eyepiece, causing the telescope to shift.
    — Joe Rao, Space.com, 31 Oct. 2025
  • The focal length should be labeled somewhere on the eyepiece.
    — Mike Lynch, Twin Cities, 14 Jan. 2024
  • Sometimes, parents hold their children up to look through the eyepiece.
    — Joe Rao, Space.com, 31 Oct. 2025
  • So, through a telescope eyepiece, the horsehead appears dim, small, and a bit washed out.
    — Eric Betz, Discover Magazine, 29 Oct. 2020
  • The amount of light that exits the scope at the eyepiece depends on the power level.
    — Ron Spomer, Outdoor Life, 7 Apr. 2020
  • 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, 4 Oct. 2019
  • It was outfitted with a filter so guests could view the Sun through the eyepiece.
    — Linda G. Kramer, cleveland.com, 21 Aug. 2017
  • The large eyepiece diameter offers a wider field of view as well.
    — Chris Hachey, BGR, 19 May 2021
  • Next, close your left eye, and use the adjuster on the right eyepiece (diopter) to again bring things into focus.
    — Daisy Kelly, chicagotribune.com, 11 Apr. 2021
  • Any eyepiece with a focal length in excess of 20mm is fine for low-power views.
    — Anthony Wood, Space.com, 15 Nov. 2025
  • With a telescope use an eyepiece that provides you with at least 50-power.
    — Joe Rao, Space.com, 8 Oct. 2025
  • Take multiple photos of the eyepiece and choose the photo that has the best focus.
    — Kevin Ambrose, Washington Post, 12 July 2022
  • The eyepiece then magnifies the light and straightens out the image for the viewer.
    — Jen McCaffery, Popular Science, 21 June 2023
  • That’s not the case for a monocular, which merely requires one eyepiece to be focused.
    — Jamie Carter, Space.com, 20 Jan. 2025
  • With the telescope trained on the moon, simply position your smartphone’s lens over the eyepiece and take a shot.
    — Jamie Carter, Forbes, 5 Mar. 2025
  • The trick for this is to find binoculars with spacious eyepiece adjustments.
    — Bestreviews, Mercury News, 12 May 2025
  • That’s the size of the scope’s bell—the end opposite the eyepiece—and the bigger the number, the bigger the bell.
    — T. Logan Metesh, Field & Stream, 4 Jan. 2024
  • Avoid using high-power eyepieces at first, as their field of views are tiny and the images are not as sharp as using low powers.
    — Anthony Wood, Space.com, 15 Nov. 2025
  • The erect image is then transmitted to the eyepiece lens, where it is magnified for viewing.
    — Matt Morris, Space.com, 16 Jan. 2025
  • The idea of a powerful telescope that doesn’t even have an eyepiece is interesting, to say the least.
    — Zach Epstein, BGR, 14 Aug. 2021
  • Made with layered fake ivy leaves and dainty green sequins (and glued on with skin-safe adhesive), this eyepiece is bound to turn heads.
    — Rebecca Norris, Country Living, 15 Sep. 2022
  • This is an addition that can project an image from the telescope, through the eyepiece, through a funnel and onto a screen.
    — Dean Regas, The Enquirer, 20 July 2023
  • Refractor telescopes usually have the eyepiece at the back end.
    — Bob Beacham, chicagotribune.com, 9 Apr. 2021
  • Most beginner telescopes come with two eyepieces — 10mm and 25mm.
    — Jamie Carter, Space.com, 26 Dec. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'eyepiece.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Last Updated: