US Patent Issued to FUJIFILM on Oct. 7 for "Zoom lens and imaging apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,371, issued on Oct. 7, was assigned to FUJIFILM Corp. (Tokyo).

"Zoom lens and imaging apparatus" was invented by Daiki Kawamura (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens includes a negative first lens group, a positive second lens group, and a subsequent lens group in order from an object side. A focusing lens group closer to an image side than the first lens group moves during focusing. The first lens group consists of a first-a lens group and a first-b lens group in order from the object side. Assuming that an average of refractive indices of the negative lenses of the first-a lens group is Nd1ave, a focal length of...