Try on an Oculus Rift or HTC Vive and one of the first things you’ll probably notice looking through the lenses are fine concentric circles, creating something many call ‘God Rays’—especially ...

Knight Optical’s Fresnel Lenses are an industry-favourite for many engineers and R&D professionals specifying components for magnification and the collection of light. Known for their first-class ...

Innovative new optical components based on “birdbath”, holographic, and dynamic focus tuning effects are being tipped to replace Fresnel lenses in extended reality (XR) headset designs over the coming ...

Earlier this week, Nikon introduced its new $1,200 28-75mm f/2.8 standard zoom lens, which we’re stoked to try out. The company also tucked a small tidbit about an upcoming lens in that release. The ...

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 ...

An official product page for PlayStation VR 2 confirms some new details on the headset’s optics and displays. Although the page signals that PSVR 2 is getting ever closer to becoming a reality, we ...

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 ...

Chen Yu-Ao, a physicist from the University of Science and Technology of China, was awarded the European Physical Society's Fresnel Prize on May 14 at the European Conference on Lasers and ...

In 2022, hype around extended reality (XR) devices and the metaverse is at an all-time high, but hardware hurdles continue to hold back headset development. The specialized optics required by ...

MOST astronomical telescopes employ reflection to focus starlight. A concave mirror creates an image from this light using a design pioneered in the 17th century, by Sir Isaac Newton. Those telescopes ...