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First Order Fresnel Lighthouse Lens

From , former About.com Guide

Location: San Francisco Maritime National Historical Park - Visitor Center (at Jefferson & Hyde)
First Order Fresnel Lighthouse Lens

First Order Fresnel Lighthouse Lens

© Ingrid Taylar

The Fresnel lens was invented by French physicist Augustine Fresnel, and is known for its efficiency in capturing a large percentage of light. This allows for the light to be transmitted longer distance.

Read more about the Fresnel Lens in this Smithsonian article on the subject.

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