US Patent Issued to CANON on Aug. 12 for "Optical apparatus, evaluation apparatus, evaluation method, and manufacturing method of optical system" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,804, issued on Aug. 12, was assigned to CANON K.K. (Tokyo).

"Optical apparatus, evaluation apparatus, evaluation method, and manufacturing method of optical system" was invented by Seima Kato (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical apparatus includes a first light source, a second light source, a chart, an optical system, and a light receiving system. The chart is configured to guide light emitted from the first light source to a target optical system. The optical system is configured to form a point image by using light emitted from the second light source. The light receiving system is configured to receive first ...