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 ...

Profoto's new Fresnel Small aims to elevate the lighting capabilities of professional photographers by providing enhanced control over light shaping. Designed for portability and ease of use, the ...

Apple is expected to use Fresnel lenses in its rumored augmented reality headset to increase the device's field of view and keep weight less than 150 grams, according to analyst Ming-Chi Kuo. In a ...

One day a week I sit atop the tower at the Cana Island Light Station with some time to think. At least I had some time in May, but that’s certain to change in future weeks and certainly for my ...

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 ...

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 ...