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:
Mar. 27, 2018
Filed:
Jan. 28, 2016
Kolen Co., Ltd., Gyeonggi-do, KR;
Jong Jin Lee, Seol, KR;
Chan Goo Kang, Gyeonggi-do, KR;
KOLEN CO., LTD., Gyeonggi-do, KR;
Abstract
A photographic lens includes, in a sequence from an object to an image plane, a first lens having positive or negative refractive power; a second lens having positive or negative refractive power; a third lens having positive refractive power; a fourth lens having negative refractive power; a fifth lens having positive refractive power; and a sixth lens having negative refractive power. The photographic lens satisfies the following condition:90°<FOV<160°0.5<1/6<1.0where FOV is a field of view of the photographic lens, D1 is an effective aperture of the first lens, and D2 is an effective aperture of the sixth lens.