US Patent Issued to CANON on Nov. 3 for "Zoom lens and image pickup apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,697, issued on Nov. 3, was assigned to CANON K.K. (Tokyo).

"Zoom lens and image pickup apparatus" was invented by Kazuya Shimomura (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens includes a first lens unit having positive refractive power that is disposed closest to an object and does not move for magnification variation, and a second lens unit having negative refractive power that moves for magnification variation. A distance adjacent lens units changes during magnification variation. The first lens unit includes a first focus unit that moves for focusing. The zoom lens further comprises a second focus unit that is dispose...