单词	eyepiece
释义	eyepiece noun eye·​piece ˈī-ˌpēs  : the lens or combination of lenses at the eye end of an optical instrument Example Sentences Recent Examples on the Web Take multiple photos of the eyepiece and choose the photo that has the best focus. Kevin Ambrose, Washington Post, 12 July 2022 In comparison to modern observatories on earth or floating millions of miles away in space, Ladd can see at a magnification of 83 to 600 times depending on the eyepiece. Carlos R. Muñoz, BostonGlobe.com, 18 Feb. 2022 Since 1993, Space Shuttle crews have made four more servicing missions to this eyepiece on the stars. David Kindy, Smithsonian Magazine, 20 Dec. 2021 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 Through an eyepiece like a gunsight, the transmission man kept the massive dome of the Capitol right on the cross-hairs. Popular Mechanics Editors, Popular Mechanics, 29 July 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 The large eyepiece diameter offers a wider field of view as well. Chris Hachey, BGR, 19 May 2021 The large eyepiece diameter offers a wider field of view as well. Chris Hachey, BGR, 19 May 2021 See More Word History First Known Use 1729, in the meaning defined above Kids 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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