US Patent Issued to CANON on July 29 for "Zoom lens and image pickup apparatus having the same" (Japanese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,764, issued on July 29, was assigned to CANON K.K. (Tokyo).

"Zoom lens and image pickup apparatus having the same" was invented by Makoto Nakahara (Tochigi, Japan) and Akira Mizuma (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 with a positive refractive power, a second lens unit with a negative refractive power, a third lens unit with a positive refractive power, and a fourth lens unit with a positive refractive power. During zooming from a wide-angle end to a telephoto end, the first lens unit moves, the second lens unit is fixed, a distance betw...