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 ...

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 ...

It has the smallest footprint (5.5-in/14cm) Fresnel on the market and draws just 38W to output over 2400 lumens at 96 TLCI (tunable from 2700 to 5600°K) When you purchase through links on our site, we ...

The unique history of the Crooked River Lighthouse’s lens in Carrabelle, Florida. The Crooked River Lighthouse’s Executive Director, Steve Allen, shares with us the unique qualities of the Fresnel ...

Fresnel lenses consist of interspaced, concentric steps which correspond to the surface of a conventional lens. This equates to a lens with a common focal length, equivalent to a simple lens, but at ...

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 ...

More than 2,000 lighthouses large and small watch over Norway’s fractal, rocky coast. Some have stood for centuries, guiding mariners through treacherous seas and safely to port. Now they all must be ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A team of physicists collaborating between the University of ...

Fresnel lenses are all around us, but this vase puts the commonplace technology to work in an entirely new way. Borrowed From Old Lighthouses, A Method For Super-Powerful Solar Power With the help of ...

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the early nineteenth century, ...