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 ...

Lego has announced a motorized lighthouse with its very own fresnel lens in front of a working lantern. The $300 set is coming September 1st.

The 2½-foot-tall light at Pomham Rocks is a fourth-order Fresnel lens. First-order lenses are the largest and have the strongest beams.

The Harbour Town Lighthouse on Hilton Head Island is shining with a more historical glint these days after the installation of a Fresnel lens, the likes of which have guided mariners around the ...

Apple's AR headset or "Apple Glass" device may use a movable display to compensate for motion blur, while fresnel lenses could help keep the weight of the headset down for users.

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 ...

When the Coast Guard automated the lighthouse in 1975, it removed the Fresnel lens. But Waller, 60, who co-owns a neon sign shop in Somerville and has long been fascinated by Graves Light, always ...

As late as 1973, the Point San Luis Lighthouse near Avila Beach was still using a French-made fourth-order Fresnel lens, but the 19th-century lens had to be cleaned on a daily basis.

Modern-day guests can witness this still-working lighthouse (which now uses a third-order Fresnel lens) constructed of 1.25 million bricks and wander between three original keepers’ homes, a ...

CLEVELAND -- The U. S. Coast Guard is proposing to remove the Fresnel classical lenses from two Michigan lighthouses, and is seeking public comment. The lenses are in the Frankfort North ...

Fresnel lenses are ideal for both light focussing and collimation, with excellent light gathering capabilities due to their relatively large aperture and low loss through absorption. These lightweight ...