negative-lens

negative lens

noun Optics.
Dictionary.com Unabridged

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.
Compare converging lens.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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