ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,857, issued on May 19, was assigned to Nikon Corp. (Tokyo).
"Zooming optical system, optical apparatus and method for manufacturing zooming optical system" was invented by Masashi Yamashita (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compact zooming optical system, an optical apparatus and a method for manufacturing the zooming optical system having a vibration reduction function, a high zooming ratio, a wide-angle view and superb optical performance are provided, the system including, in order from an object side: a first lens group G1 having positive refractive power; a second lens group G2 having negative refractive power; a third lens...