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:
Apr. 25, 2023
Filed:
Mar. 27, 2020
Applicant:
Leica Camera Ag, Wetzlar, DE;
Inventors:
Assignee:
Leica Camera AG, Wetzlar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/02 (2006.01); G02B 9/34 (2006.01);
U.S. Cl.
CPC ...
G02B 13/02 (2013.01); G02B 9/34 (2013.01);
Abstract
A telephoto lens having an entrance pupil of between 80 and 110 mm includes a lens head and a focusing component. The lens head, as a first optical assembly, consists of four lens elements with a refractive power sequence that alternates in the light direction. The focusing component is a second optical assembly made of at least two lens elements and has a relative aperture of between 1:4.5 and 1:7.