Word: lensed
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Lensman Valentine's invention has not been patented and he did not disclose exact technical details. But film executives who viewed his work pronounced it good. Heart of the device is a prism composed of two paper-thin sheets of glass fitted together at a 45° angle. This...
Some years ago a scientist walked out into a Baltimore park to take a picture. His fertile brain and nimble hands had produced a "fisheye lens," a hollow hemisphere of glass filled with liquid, which would focus a sweep of 180° on one plate. He decided to place himself...
In modern physics, beams of light are considered as particles as well as waves, and beams of electrons are considered as waves as well as particles. A microscope using visible illumination is limited in magnifying power by the wave length of light. Particles considerably smaller than the wave length escape...
Instead of printing maps from the ordinary single-lens camera Bagley, who is a retired Lieutenant-Colonel in the United States Army, and his assistants are utilizing the new multi-lens camera. This camera is the outgrowth of the trilens instrument developed by Colonel Bagley during the war. It was...
Although American Optical Co. makes more spectacles, Spencer Lens Co. makes microscopes and Eastman Kodak Co. grinds its own camera lenses, Bausch & Lomb is the only U. S. commercial maker of scientific precision glass. So important is this fact to the U. S. Navy Department that its agents are constantly on watch to keep the general public out of Bausch & Lomb's Rochester plant. Last week, however, the general public was invited to come in, not to Bausch & Lomb's plant but to its ownership...