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angular magnification

American  

noun

Optics.

  1. the ratio of the angle subtended at the eye by the image formed by an optical instrument to the angle subtended at the eye by the object being viewed.

angular magnification British  

noun

  1. physics the ratio of the angle subtended at the eye by an image formed by an optical instrument to the angle subtended at the unaided eye by the object

"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

Example Sentences

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Large and relatively flat mirrors have very long focal lengths, so that great angular magnification is possible.

From Textbooks • Aug. 12, 2015

To obtain the greatest angular magnification, it is best to have a long focal length objective and a short focal length eyepiece.

From Textbooks • Aug. 12, 2015

What angular magnification does it produce when a 3.00 m focal length eyepiece is used?

From Textbooks • Aug. 12, 2015

What is the angular magnification of a telescope that has a 100 cm focal length objective and a 2.50 cm focal length eyepiece?

From Textbooks • Aug. 12, 2015

Verify that the angular magnification is greater than one.

From Textbooks • Aug. 12, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.