The problem is that in those days, a lighthouse was an oil lamp, a concave mirror, and an ordinary lens. This made the lighthouses difficult to spot. Napoleon started the Commission of Lighthouses ...

"I think for a light that has a range of up to 27 miles and is constantly lit at night, that's pretty good value." She said ...

This lighthouse served as sentry, and for some as sanctuary, during the deadliest hurricane in American history. The lens is visible proof that unlike the sea, light can be mastered by human ...

Atlas Lens Co. was showing its latest additions to the Mercury 1.5x series at NAB 2025 in Las Vegas. The 24mm T2.2, 27mm T2.2 ...