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About Fresnel

    Augustin Jean Fresnel developed the first Fresnel lens in the early nineteenth century.Today,his invention can be found in optical systems where design criteria call for light weight or small size.Fresnel lenses are molded from precision optical-grade acrylic.The surface of a Fresnel lens is molded into many circular,concentric ridges.These circular ridges give the Fresnel lens a zigzag or sawtooth cross-section.Each sawtooth creates a tiny prism.Fresnel lenses are a compromise between efficiency and image quality.High groove density allows higher quality images,while low groove density yields better efficiency.By choosing appropriate powers for these prisms,designers can define the focal length and control image quality.

  Positive Focal Length Fresnel          Positive Focal Length Fresnel           Negative Focal Length Fresnel

  Lens Used as a Collector                Lens Used as a Collimator                  Lens Used as a Diverger


       Fresnel lens is widely used in  lighting, LED magnifier, fresnel lens solar energy, rear projection fresnel screen, fresnel solar concentrator, fresnel magnifier, camera fresnel spotlight and so on.

Pmmalens provide high quality fresnel lens, you can buy them directly online. If you need the fresnel lens with special function, please choose the Pack Series on our website.

Pmmalens.com manufactures and sells not only fresnel lens products on the catalog, but also manufactures custom-made fresnel lens products according to our customers’ requirements in sizes and design. Please contact us for more details.

 


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