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:
Aug. 05, 2025
Filed:
Nov. 19, 2021
Leica Camera Ag, Wetzlar, DE;
Leica Camera AG, Wetzlar, DE;
Abstract
A lens system with a fixed focal length includes five lens groups. The five lens groups include a first lens group, a second lens group configured as a focusing front group, a third lens group having a negative refractive power, a fourth lens group configured as a focusing back group, and a fifth lens group. The fifth lens group has a positive refractive power that is arranged in a stationary manner relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens groups arranged in a stationary manner in order to focus the fixed focus length lens system on objects at different object distances.