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.

Date of Patent:
Dec. 14, 2021

Filed:

Dec. 18, 2017
Applicant:

Carl Zeiss Ag, Oberkochen, DE;

Inventor:

Marco Pretorius, Oberkochen, DE;

Assignee:

Carl Zeiss AG, Oberkochen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 9/12 (2006.01); G02B 13/00 (2006.01); G02B 7/04 (2021.01); G02B 7/08 (2021.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 9/12 (2013.01); G02B 7/04 (2013.01); G02B 7/08 (2013.01); G02B 13/006 (2013.01); G02B 13/0045 (2013.01); G02B 13/18 (2013.01);
Abstract

A camera lens, e.g., for a full-frame camera, may have a first compound lens leading on the object side, a second compound lens following the first compound lens, a third compound lens that terminates on the sensor side and follows the second compound lens, and an aperture stop arranged between the first compound lens and the second compound lens. The first compound lens may have a converging refractive power. The second compound lens may comprise at least two lens elements arranged movably along the optical axis, and the third compound lens may have at least one aspheric lens element which is fixedly arranged in the longitudinal direction of the optical axis, wherein the aspheric lens element has a diameter of at least 25 mm.


Find Patent Forward Citations

Loading…