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 ...
Fresnel lenses are used in many fields, including: Projection display: Fresnel projection TV, rear projection Fresnel screen, overhead projector, collimator; Concentrating light: Fresnel lens for ...
Two new mini LED lights with Fresnel lenses have been introduced by Videssence, along with a new Videssence Vidnel 050 50Watt LED Fresnel. All are rated at 96+ CRI for the tungsten versions – there ...
Who doesn’t love a good, punchy spotlight to help light all types of projects? Astera is set to debut the company’s new QuickPunch, an accurate, fast, and efficient new wireless spotlight with a ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The GUS 51 LED Fresnel draws an energy-efficient 58 watts and pumps out the equivalent of a 1,000 ...
Visteon has been granted a patent for a light source system designed for medical or industrial applications, such as endoscopes. The system includes LED light sources, Fresnel lenses, concentrators, a ...
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 ...
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