angular magnification

angular magnification

noun Optics.
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.
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angular magnification
 
n
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 10th Edition
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