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:
May. 04, 2010

Filed:

Sep. 16, 2008
Applicants:

Cheon Ho Park, Gyunggi-do, KR;

Moon Sik Jung, Gyunggi-do, KR;

Inventors:

Cheon Ho Park, Gyunggi-do, KR;

Moon Sik Jung, Gyunggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/60 (2006.01); G02B 9/34 (2006.01); G02B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a high-definition imaging optical system including: an aperture stop; a first lens disposed at an image side of the aperture stop, the first lens having a positive refractive power and having a convex object-side surface; a second lens disposed at an image side surface of the first lens; a third lens disposed at an image side surface of the second lens; a fourth lens having a convex image-side surface and having a positive refractive power; and a fifth lens having a concave image-side surface and having a negative refractive power, wherein a combined refractive power of the second and third lenses is negative. The optical system is high-performing and compact and can be further improved in resolution. Also, the optical system can correct chromatic aberration and improve color fringing in the case of indoor or outdoor photographing.


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