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 ...

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 ...