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 ...

Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, much ...

Fresnel lenses were invented over two centuries ago to help lighthouses prevent shipwrecks. They're still enhancing safety, ...

Nearly two years ago, Wearality created a unique Fresnel lens for VR headsets offering a claimed 150 degree field of view. The company successfully funded a VR viewer featuring the lens called ...

You may know them best for their original use in lighthouses, where they're famously recognised as "the invention that saved a million ships". Or perhaps you initially think of their employment in ...

ST. GEORGE ISLAND - The St. George Lighthouse Association has added a life-size reproduction of the Cape St. George Light’s Fresnel lens to the collection at the Keeper’s House Museum. “We felt that ...

MUNICH, Germany—ARRI has announced the addition of the Orbiter Fresnel lens to its selection of Orbiter optics, making its LED luminaire even more versatile. Combined with Orbiter’s ARRI Spectra light ...

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 ...