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Fresnel Lens

Fresnel Lens

5 total reviews

    Lenses are used to focus light. But on larger scales, conventional lenses can become too massive. The Fresnel lens allows for a lens of large aperture and short focal length useful for efficient magnification and concentration on any scale. Physicist Augustin Jean Fresnel designed its clever surface which is divided into concentric ridges. By layering these ridges to be on the same curvature, it becomes a lightweight alternative for most projects. 

    These lenses are not unlike a reverse telescope. Instead of bringing in light from far away, these lenses are capable of concentrating light to a narrow point to reach great distances. 

    Used in lighthouses to bring ships to safety through their concentrated beam of light. They have been called "the invention that saved a million ships".

    Dimensions: 3.5" x 2" 


      Regular price $4.00
      Regular price Sale price $4.00
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      Customer Reviews

      Based on 5 reviews
      S.B.B. (Virginia, United States)

      Sacha gave this item 5 stars

      J.C. (Virginia, United States)

      Cool stocking stuffer for my FIL!

      S.W. (Virginia, United States)

      Sam gave this item 5 stars

      A.L. (Texas, United States)
      Perfect and handy

      This little lens is perfect for quick, satisfying glances closer at the curios and specimens I’ve collected on my desk. Sturdy enough and still flexible, it’s a little larger than a standard index card and is worth it— especially while it’s still on sale.

      N.R. (Virginia, United States)

      i like it good zoom


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