The new Astera QuikPunch essentially takes everything that made the QuikSpot a success and scales it up. Taking cues from the popular 3” lens QuikSpot but scaling up in size, lux output, and beam ...

Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel len… ...

The design of a Fresnel Lens comprises a flat surface with interspaced, concentric 'steps', which many have compared to a beehive form. ... Marlene Dietrich – using Fresnel Lenses, it's no surprise ...

The tiniest Fresnel lens may be perfect for augmented reality glasses. By Andrew Paul. Published May 31, 2024 11:00 AM EDT ...

Astera is set to debut the company’s new QuickPunch, an accurate, fast, and efficient new wireless spotlight with a Fresnel lens that is set to feature a 13º–60º zoom, zero stray light, and ...

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 ...

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 ...

The first order lens, meant for use in coastal lighthouses, was the largest and the strongest lens. The sixth order lens was the smallest, designed for use in small harbors and ports. By the 1860s, ...