Researchers have demonstrated the first planar lens that works with high efficiency within the visible spectrum of light -- covering the whole range of colors from red to blue. The lens can resolve ...

Leica has unveiled its first M-series 35mm Noctilux lens, with a maximum f/1.2 aperture It joins the 50mm f/0.95 and 75mm f/1.25 to make up a trio of supreme low-light lenses It's globally available ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be, the ...

The AF 135mm F1.8 FE Lab is a fairly large, hefty lens at 5.7 by 3.7 inches (HD) and 2.9 pounds, though that's not out of the realm of expectations given its focal length and aperture. The exterior is ...

Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a piece of ...