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:
May. 29, 2012
Filed:
Jul. 08, 2010
Taku Matsuo, Kawasaki, JP;
Taku Matsuo, Kawasaki, JP;
Nikon Corporation, Tokyo, JP;
Abstract
Composing a zoom optical system ZL, in order from an object side, a first lens group Ghaving positive refractive power, a second lens group Ghaving negative refractive power, a third lens group Ghaving positive refractive power, a fourth lens group Ghaving positive refractive power, and a fifth lens group Ghaving negative refractive power; and disposing each lens group with satisfying a given conditional expression (1); thereby providing a zoom optical system ZL capable of suppressing variation in aberrations upon zooming and carrying out excellent vibration reduction, an optical apparatus equipped therewith, and a method for manufacturing the zoom optical system.