7 sentences with “lens”

One lens, found by archaeologists in a tomb in Heluan, Egypt, is estimated to be several thousand years old.

The perforated film, 35 millimetres wide, ran at a rate of 16 frames per second, and a lens projected and magnified the images.

Anyone who has used a magnifying lens to focus the sun's rays on a tree leaf and punch a hole in it will have an idea of how the laser works.

Thereafter, the Umayyad caliphate came to deal with non-Muslim powers primarily in terms of normal diplomacy and not through the lens of holy war.

The solution to the myopic problem is a biconcave lens placed in front of the eye that will diverge the incident light so that its projection coincides on the retina.

They had a conspiratorial air about them, and were carrying a strange box in their hands. Louis set up a tripod on the grass and Auguste placed the box on top of it, which was fitted with a lens and a crank like a coffee grinder.

The most obvious example of this phenomenon was the Reconquista of Spain, which was explicitly seen through the lens of the crusade ideology of the time. In turn, the Reconquista was completed in 1492, precisely the same year that Christopher Columbus reached the Americas.