The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2024
Filed:
May. 09, 2022
Tamron Co., Ltd., Saitama, JP;
Hisayuki Yamanaka, Saitama, JP;
Tamron Co., Ltd., Saitama, JP;
Abstract
Provided are: a zoom lens including, in order from an object side, a positive first lens group, a negative second lens group, an intermediate group as a whole, a negative lens group, and a rear group, wherein the intermediate group includes, in order from an object side, a first positive lens subgroup including one or two positive lenses, a first negative lens subgroup including only one cemented lens, a second negative lens subgroup including a negative lens with a concave surface facing an object, and a second positive lens subgroup including one or two positive lenses, the cemented lens constituting the first negative lens subgroup has at least one cemented surface with a convex surface facing an object, and a lens, closest to an image, of the second positive lens subgroup is a positive lens; and an imaging apparatus including the zoom lens.