compound lens

American  

noun

1. an optical system consisting of two or more lenses having the same axis.

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compound lens British  

noun

1. a lens consisting of more than one component lens

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Example Sentences

It looked like I was staring into the compound lens on the eye of an insect.

From Literature

The self-assembling petals collectively act as a compound lens that focuses light much like a fly's eye.

From Scientific American

Chromatic aberration is easily cured by using an achromatic or compound lens made by cementing together two lenses of crown and flint glass respectively, as in Fig.

From Project Gutenberg

A compound lens is needed, made up of a crown glass convex element, B, and a concave element, A, of flint glass.

From Project Gutenberg

With a compound lens, such as a 'Petzval' combination, this method does not hold good, as the optical centre of such a lens is not necessarily midway between its two components.

From Project Gutenberg