US Patent Issued to CANON on Sept. 22 for "Zoom lens and image pickup apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,951, issued on Sept. 22, was assigned to CANON K.K. (Tokyo).

"Zoom lens and image pickup apparatus" was invented by Yonghee Lee (Tochigi, Japan) and Tomoya Yamada (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, an intermediate group that has at least two lens units moving during zooming, a lens unit having positive refractive power that moves during zooming, and a final lens unit having positive refractive power that does not move during zooming. Each distance between adjacent lens...