US Patent Issued to LARGAN PRECISION on Feb. 17 for "Optical photographing assembly having specified focal length ratios and aperture stop distances" (Taiwanese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,103, issued on Feb. 17, was assigned to LARGAN PRECISION Co. LTD. (Taichung, Taiwan).

"Optical photographing assembly having specified focal length ratios and aperture stop distances" was invented by Chun-Yen Chen (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical photographing assembly includes, in order from an object side to an image side along an optical axis, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The third lens element has at least one of an object-side surface and an image-side surface bein...