单词	eyecup
释义	eyecup noun eye·​cup ˈī-ˌkəp  1 : a small oval cup with a rim curved to fit the orbit of the eye used for applying liquid remedies to the eyes 2 : optic cup 3 : a usually rubber cup at the eyepiece of an optical instrument (such as binoculars) for keeping out extraneous light Example Sentences Recent Examples on the Web The back of the camera also has a vintage-style circular eyecup around the viewfinder. Bryan Hood, Robb Report, 4 July 2021 Like its double-barreled cousin, the Zoom Tube boasts a twist-out eyecup, an oversize eyepiece lens and an easy focusing system. Everett Potter, Forbes, 18 May 2021 The finish and eyecups could use a little more finishing, but the balance is nearly perfect, and its durability and versatility are both very good. Andrew Mckean, Outdoor Life, 6 Dec. 2019 This camera has a full-size HDMI, better ergonomics for waist- and chest-level video shooting, and more options for capture rates and color profiles, plus a convenient electronic viewfinder and roomy eyecup. Tom O'brien, National Geographic, 24 Nov. 2019 Word History First Known Use 1586, in the meaning defined at sense 1 Medical Definition eyecup noun eye·​cup ˈī-ˌkəp  1 : a small oval cup with a rim curved to fit the orbit of the eye used for applying liquid remedies to the eyes 2 : optic cup
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