Meaning Of The Word Fresnel lens

Real Dictionary

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Fresnel lens Meaning

Fresnel lens Definition
Fresnel lens Definition

What's The Definition Of Fresnel lens?

Fresnel lens in American English
a thin optical lens of many concentric rings, having the properties of a much thicker and heavier lens: used in cameras, lighthouse beacons, etc.
noun: a large lens with a surface of concentric grooves of prismatic profile, used in automobile headlights, searchlights, spotlights, etc

Fresnel lens in British English
noun: a lens consisting of a number of smaller lenses arranged to give a flat surface of short focal length

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