ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,516, issued on July 28.

"Aperture extender for autocollimators and telescopes having index-matching gel or fluid between prism facets" was invented by Oren Aharon (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure introduces a technique to expand the aperture of an optical system like an Autocollimator by interconnecting two or more rhomboidal prisms in a sequential manner. This method involves securing the initial rhomboid to the autocollimator's aperture using a rotating component at its base. Subsequently, a second rotating component is attached to the exit end of the first rhomboid, enabling individual rotation for both...