| 单词 | diopter |
| 释义 | diopter (once / 590966 pages) n WORD FAMILY diopter: diopters USAGE EXAMPLESCorrecting a strange omission from the X-Pro1, the X-Pro2 has a diopter adjustment dial to help bring the viewfinder into clear focus. The Verge(Jan 14, 2016) He added more lens sizes and diopter, or lens power, choices. Washington Times(Oct 03, 2014) She studied optometry – can still bluff about "what diopters people's glasses are". The Guardian(Jun 02, 2013) n a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists Syn|Hyper dioptre unit, unit of measurement any division of quantity accepted as a standard of measurement or exchange |
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