ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,543, issued on June 10, was assigned to ZHEJIANG SUNNY OPTICS Co. LTD. (Yuyao, China).
"Zoom lens" was invented by Jianke Wenren (Yuyao, China), Fujian Dai (Yuyao, China) and Liefeng Zhao (Yuyao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens includes in order from an object side to an image side along an optical axis a first lens group having a positive refractive power, including a first lens disposed along the optical axis, and a second lens group having a negative refractive power, including a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens disposed in order along the optical axis. Posit...