ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,100, issued on Oct. 20, was assigned to TAMRON Co. LTD. (Saitama, Japan).
"Zoom lens and imaging device" was invented by Keisuke Okada (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom lens and an imaging device that achieve both high optical performance and compactness of the product. The zoom lens includes, in order from the object side, a first lens group having positive refractive power, a second lens group having negative refractive power, and a rear group having positive refractive power. The rear group includes, in order from the object side, an intermediate lens group M1 having positive refractive power, and an intermedia...