फ्रेंच भौतिकशास्त्रज्ञ ज्याने प्रकाश ध्रुवीकरणाचा शोध लावला आणि फ्रेस्नेल लेन्सचा शोध लावला (१७८८-१८२७),

fresnel's Usage Examples:

The company was also offering their "Dynabeam" lensed follow spot, and fresnels from 100 to 2000 watts.

A view of an electric batten with scoops, fresnels, PARNels, elipsoidals and a Source Four.

panels, parabolic troughs, fresnel reflectors, lenses or the mirrors of a heliostat.

It is lit by 215 Source Fours, 16 fresnels, 36 par cans, and 22 16x22 lekos.

the fresnel lens was one of nine in active use in the United States.

The Coast Guard had planned to remove the original fresnel lens but a successful local campaign, including resolutions from the cities of Fort Lauderdale, Pompano Beach and Lauderdale-by-the-Sea, led to the restoration.

in many different sizes for all types of lanterns including, profiles, fresnels, floods and par cans A doughnut, or donut, is a thin metal or cardboard.