ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,967, issued on July 7.
"Compact wide-angle lens" was invented by Alex Ning (Carlsbad, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to create a wide-angle lens that is compact, having a lower front diameter to image circle ratio. Such a lens can be used in space constrained applications such as endoscopy or other applications requiring a wide field of view and a compact design. The lens design includes three lens groups and are scalable. The designs are further characterized by a set of parametric equations defining relationships between ratios of focal lengths for the lens groups and lens elements within...