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Home > BrainStuff > How does a Fresnel lens work?
Podcast: BrainStuff
Episode:

How does a Fresnel lens work?
Category: Science & Medicine
Duration: 00:02:03
Publish Date: 2012-09-17 18:51:00
Description:

The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com.

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