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 ...

Last week, the PSVR 2 product page revealed a new tidbit of information about the upcoming VR headset. Sony's new HUD will utilize Fresnel lenses rather than the traditional lenses used in the ...

The presence of god rays (or crepuscular rays, to use a more technical and less religious term) in virtual reality is an artifact from the use of Fresnel lenses in most headsets. Unlike a traditional ...

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 ...

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 ...

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 ...

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 ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this problem ...