US Patent Issued to CANON on Aug. 18 for "Imaging optical system and image pickup apparatus having the same" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,628, issued on Aug. 18, was assigned to CANON K.K. (Tokyo).

"Imaging optical system and image pickup apparatus having the same" was invented by Koji Aoki (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An imaging optical system includes, in order from an object side to an image side, at least one concave lens, an aperture stop, a first transmissive reflective surface, a quarter waveplate, and a second transmissive reflective surface, arranged such that light from the object side transmits through the first transmissive reflective surface and the quarter waveplate in this order, is reflected by the second transmissive reflective surfac...