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:
Feb. 23, 2010
Filed:
Jan. 31, 2008
Mami Muratani, Tokyo, JP;
Mami Muratani, Tokyo, JP;
Nikon Corporation, Tokyo, JP;
Abstract
Providing a zoom lens system excellently correcting various aberrations with accomplishing to be compact, lightweight, and slim upon being accommodated, and to provide an optical apparatus using the zoom lens system. The system consists of, in order from an object, a first group Ghaving negative power, a second group Ghaving positive power. Upon zooming from a wide-angle end W to a telephoto end T, a distance between the first group Gand the second group Gdecreases. The first group Gconsists of, in order from the object, a first lens Lhaving negative power and a second lens Lhaving positive power. The second group Gconsists of, in order from the object, a third lens Lhaving positive power, a fourth lens Lhaving negative power, and a fifth lens Lhaving positive power. Given conditions are satisfied.