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 ...

Harry Potter fans are going wild after a man revealed he was making a real-life invisibility cloak, as he demonstrated an incredible illusion. Dean Jackson, a presenter for the BBC, shared a clip to ...

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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 ...

The new Motorized CF16 Fresnel is a compact, motorized Aputure Mount Fresnel lens designed for use with the STORM XT52. The Motorized CF16 Fresnel is a compact Aputure Mount accessory with a 16-inch ...

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 ...

Linear Fresnel reflector (LFR) technology has emerged as a competitive and cost‐effective alternative within the concentrated solar power (CSP) field. By utilising an array of flat or slightly curved ...