| 单词 | eye relief |
| 释义 | > as lemmaseye relief eye relief n. the distance between the eye and the eye lens or eyepiece of an optical instrument; spec. the greatest distance at which the field of view seen through an eyepiece, viewfinder, etc., remains undiminished as the eye is moved back from it. ΚΠ 1902 Iron Age 24 July 51/2 The Favorite [rifle] telescope..is described as having..fine indestructible cross hairs, and over 2 inches eye relief. 1959 Pop. Sci. Mar. 259/2 (advt.) Sufficient eye relief for easy viewing. 2011 N. English Choosing & using Refracting Telescope xii. 191 All Barlow lenses increase (to a greater or lesser degree) the eye relief of eyepieces. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。