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. 01, 2017
Filed:
Nov. 27, 2015
Applicant:
Coretronic Corporation, Hsin-Chu, TW;
Inventors:
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/177 (2006.01); G02B 15/16 (2006.01); G02B 13/16 (2006.01);
U.S. Cl.
CPC ...
G02B 15/177 (2013.01); G02B 13/16 (2013.01); G02B 15/16 (2013.01);
Abstract
A zoom lens including first to seventh lens units arranged in this order from an object side to an image side is provided. The first to seventh lens units respectively have refractive powers of negative, positive, negative, positive, positive, negative. The first to seventh lens units are disposed along an optical axis of the zoom lens, and a distance between the seventh lens and the image side is fixed, and the first lens unit, the second lens unit, the third lens unit, the fourth lens unit, the fifth lens unit and the sixth lens unit are adapted to move along the optical axis between the object side and the image side.