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 ...

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 ...

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 ...

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 ...

It’s difficult to get a real sense of Crescent Bay, Oculus’ latest Rift prototype, because outsiders are only ever in the headset for a few minutes at a time. Having now logged a number of sessions, I ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the early nineteenth century, ...

Aside from frightening small children, we have absolutely no idea why anyone would need a face-magnifying headpiece. But the video below gives us a chuckle every time we see it, and we figure a good ...

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 ...

The history of optics began long before Christ in the regions where ancient Egyptians and Mesopotamians used to live. The Indian subcontinent, the Greek people, and the Islamic world should be ...

Apple's AR headset or "Apple Glass" device may use a movable display to compensate for motion blur, while fresnel lenses could help keep the weight of the headset down for users. Apple is long-rumored ...