US Patent Issued to CANON on Aug. 25 for "Zoom lens and image pickup apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,124, issued on Aug. 25, was assigned to CANON K.K. (Tokyo).

"Zoom lens and image pickup apparatus" was invented by Yusuke Kurosu (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens includes, as a plurality of lens units arranged in order from an object side to an image side, a first lens unit having positive refractive power and fixed for zooming, at least two movable lens units having negative refractive powers and configured to move for zooming, and a final lens unit having positive refractive power, fixed for zooming, and disposed closest to an image plane. A distance between adjacent lens units changes during zooming. At l...