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Fresnel Lens Review
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=pNOGMfmti4w
Fresnel lenses are composed of a series of concentric grooves etched into one side of a sheet of plastic. Fresnel lenses are unlike typical spherical or aspherical optical lenses. The grooves of Fresnel Lenses (http://www.edmundoptics.com/fresnel-l...) act as individual refracting surfaces, making these lenses ideal for solar concentration, solar cell heat collection, overhead projection, and non-imaging light focusing applications. Monica Rainey, Optical Engineer, explains the advantages, disadvantages, and applications of these unique lenses. To learn more, read our Advantages of Fresnel Lenses application note (http://www.edmundoptics.com/technical....
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