ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,324, issued on Sept. 9, was assigned to Canon K.K. (Tokyo).
"Zoom lens and imaging apparatus including the same" was invented by Masato Katayose (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens L0 consists of a first lens unit L1 having negative refractive power, a middle group Lm including one or more lens units, and a last lens unit having positive refractive power. The first lens unit L1 includes a first negative lens, a second negative lens, and a third negative lens that are arranged sequentially in an order from an object side to an image side. The number of negative lenses included in the first lens unit L1 is four ...