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:
Jan. 23, 2018
Filed:
Aug. 27, 2014
Applicant:
Hanwha Techwin Co., Ltd., Changwon-Si, KR;
Inventor:
Won Sin Lee, Changwon-si, KR;
Assignee:
Hanwha Techwin Co., Ltd., Changwon-Si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 9/64 (2006.01); G02B 13/00 (2006.01); G02B 9/62 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/62 (2013.01);
Abstract
Provided is a wide angle lens system including: a first lens group having a negative refractive power; and a second lens group having a positive refractive power, wherein the first lens group and the second lens group are provided in that order from an object to an image, and the lens system satisfies a first conditional expression:16<||<17.5where L denotes a distance from a lens surface of the first lens group provided closest to the object to a lens surface of the second lens group provided closest to the image, and f denotes a focal length of the wide angle lens system.