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diverging lens

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diverging lens

–noun Optics.
a lens that causes a beam of parallel rays to diverge after refraction, as from a virtual image; a lens that has a negative focal length.
Also called negative lens.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: diverging lens
Function: noun
: a lens that causes divergence of rays : a concave lens called also negative lens
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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