Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

Canon has introduced the RF 20mm F1.4L VCM, the fourth and widest lens in its hybrid prime lens lineup featuring the Voice ...

a 100-megapixel optical lens with an aperture between f/1.4 to f/11, and a sensor size of 4/3-inch. This is twice as large as the 1-inch type sensors used in the top smartphones. The larger sensor ...