US Patent Issued to CANON on Oct. 20 for "Optical system, image pickup apparatus, and in-vehicle system" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,918, issued on Oct. 20, was assigned to CANON K.K. (Tokyo).

"Optical system, image pickup apparatus, and in-vehicle system" was invented by Shunya Shimomura (Tochigi, Japan), Masatsugu Nakano (Tochigi, Japan) and Naoto Doujou (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes, in order from an object side to an image side, a first negative lens having an aspherical object-side surface, a second negative lens, a first positive lens, and a third negative lens. The first negative lens is disposed closest to an object, the aspherical surface has an inflection point in a cross section including an optical axis, the ...