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:
Nov. 17, 2020
Filed:
Sep. 24, 2018
Fujifilm Corporation, Tokyo, JP;
Takuya Tanaka, Saitama, JP;
Motoari Ota, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the first lens group is fixed, and distances between the respective lens groups change in predetermined manners. The first lens group consists of, in order from the object side, a negative lens group fixed during focusing, a positive lens group movable during focusing, and a positive lens group fixed during focusing. The lens group has on the most image side four lenses of, in order from the object side, a positive lens, a cemented lens in which a negative meniscus lens having a convex surface facing the object side and a positive lens are cemented, and a positive meniscus lens having a convex surface facing the object side.