How do Fresnel lenses work? - Explain that Stuff

Explains how a lightweight Fresnel lens can replace a much heavier glass lens in applications such as lighthouses and car headlmaps.

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Traditionally used to focus the beam in lighthouse lamps, a Fresnel lens replaces the curved surface of a conventional lens with a series of small,

Fresnel Lenses

How do binoculars work? - Explain that Stuff

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Fresnel Lens

How Does a Fresnel Lens Work? The Magic Behind the Glass

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Seeing The Light - The Fresnel Lens

What is a Fresnel lens and how does it work? - Quora

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Advantages of Fresnel Lenses

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