US Patent Issued to CANON on Oct. 20 for "Zoom lens and image pickup apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,096, issued on Oct. 20, was assigned to CANON K.K. (Tokyo).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens includes, in order from an object side to an image side, a first lens unit having positive refractive power that does not move during zooming, a second lens unit having negative refractive power that moves during zooming, and a subsequent lens group including one or more lens units. A distance between adjacent lens units changes during zooming. The first lens unit includes four or fewer lenses. Predetermined inequalities are satisfied."

The patent w...