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:
Mar. 10, 2026
Filed:
Jan. 19, 2023
Fujifilm Corporation, Tokyo, JP;
Shinji Otsuka, Saitama, JP;
Satoru Nemoto, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
Provided is a zoom lens device and an optical device with which it is possible to increase a moving distance of a moving cylinder in an optical axis direction without an increase in number of components, the moving cylinder including a lens group closest to a subject side. A zoom lens device () includes a fixed cylinder (), a cam cylinder () that is positioned outside the fixed cylinder (), a first movement group that is positioned outside the cam cylinder () and that includes a first lens group (H) provided at a distal end portion, and a second movement group that is positioned inside the fixed cylinder () and that includes a second lens group (H). The first movement group includes a first straight groove () that guides the first movement group straight and a first cam follower pin () that engages with a first cam groove formed at the cam cylinder (), and the second movement group includes a second cam follower pin () that penetrates a second straight groove formed at the fixed cylinder () and a second cam groove formed at the cam cylinder () and that engages with the first straight groove ().