单词 | exit pupil |
释义 | exit pupilnoun Optics.the ridge of the entrance pupil of an optical system, indicating the place where the pupil of the eye should be placed to view the object. Also called eye point. Words nearby exit pupilexistential psychology, existential quantifier, exit, exitance, exit poll, exit pupil, exit strategy, exit tax, Ex-Lax, ex lege, ex lib. Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for exit pupilexit pupil nounthe smallest cross section of the beam of light from the eyepiece of a telescope through which all the light from the eyepiece passes. Its diameter is equal to the ratio of the focal length of the eyepiece to the focal ratio of the telescope Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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