This video from Laser-Tec is part of a series of light and optics experiments. In this lab, participants measure the focal length of a Fresnel lens. Equipment includes an LED flashlight, flashlight holder, Fresnel lens, lens holder, measuring tape, pencil, and white sheet of paper. The video recording runs 5:50 minutes in length.

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Alternate Title
Measuring Focal Length of Fresnel Lens (Lab Fourteen of Twenty-Three)
Date Issued
July 9th, 2020
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