ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,653, issued on Sept. 23, was assigned to CANON K.K. (Tokyo).
"Lens apparatus and image pickup apparatus" was invented by Kei Sugiyama (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens apparatus includes two optical systems. Each of the two optical systems includes, in order from an object side to an image side, a first lens unit having positive refractive power, a second lens unit having negative refractive power, a first reflective surface, a second reflective surface, and a rear lens unit having positive refractive power. At least a distance between the first lens unit and the second lens unit and a distance between the second...