A lens manufactured in France in 1902 is shining high atop Montauk Point Lighthouse once again. Earlier this month the U.S. Coast Guard relit the clamshell-shaped Fresnel lens, which guided mariners ...

On Monday, expert lampist Chad Kaiser got to work disassembling the more than 100-year-old Fresnel lens at the Dali Museum in Monterey. “Compared with several other lenses around the country, it is in ...

The popular French lens design was originally created for lighthouses The popular French lens design was originally created for lighthouses is a senior editor and founding member of The Verge who ...

The unique history of the Crooked River Lighthouse’s lens in Carrabelle, Florida. The Crooked River Lighthouse’s Executive Director, Steve Allen, shares with us the unique qualities of the Fresnel ...

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A piece of Georgetown’s history will be on display at 729 Front St. in Georgetown as early as June. The Fresnel lens, a glass enclosure designed to concentrate light rays, was once an integral part of ...

An integral piece of the lighthouse once used to safely guide ships into port in Georgetown is now on display in the city at the South Carolina Maritime Museum. The Fresnel lens was unveiled during a ...

Before the invention of the high-powered LED, and even really before the widespread adoption of electric lights in general, lighthouses still had the obligation of warning ships of dangers while ...

KEWAUNEE COUNTY - The two fifth-order Fresnel lenses in the county's two lighthouses were removed June 5 under the order of the U.S. Coast Guard, but the old and valuable lenses won't be in hiding ...

If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...

Point Sur Lightstation is getting its original First-Order Fresnel lens back.The United States Coast Guard signed off on returning the 1887 Fresnel back to Point Sur on Monday and the work to get it ...