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:
May. 07, 2024
Filed:
Nov. 11, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Yuki Matsuba, Tochigi, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An optical system includes first and second lens units configured to move to have a component of direction perpendicular to an optical axis, in which a sign of an amount of movement of the lens units is defined as negative for a moving direction of the first lens unit and as positive for an opposite direction to the moving direction of the first lens unit, a product of an amount of movement and a focal length of the first lens unit and a product of an amount of movement and a focal length of the second lens unit are different from each other in sign, and Petzval sums of the first and second lens unit, a focal length of the optical system, and a back focus of the optical system are set.