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:
Apr. 01, 2014

Filed:

Jul. 13, 2012
Applicants:

Dirk Jahn, Erfurt, DE;

Vladan Blahnik, Oberkochen, DE;

Inventors:

Dirk Jahn, Erfurt, DE;

Vladan Blahnik, Oberkochen, DE;

Assignee:

Carl Zeiss AG, Oberkochen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/12 (2006.01); H04N 5/225 (2006.01); G02B 13/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a lens or objective for a camera, more particularly for a digital camera, comprising a housing, an actuating element arranged on the housing, and a lens element system that can be set into a plurality of settings, wherein the lens element system is embodied in such a way that in at least one setting an f-number is F≦3. The lens element system is furthermore embodied in such a way that an actuation of the actuating element brings about a movement of two optical elements relative to one another, such that an intersection length difference of the lens element system can be set.


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Jahn, Dirk. (2014). Variable filter compensation for high-aperture camera lenses (U.S. Patent No. 8687290). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8687290

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