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:
Apr. 19, 2016
Filed:
Apr. 15, 2013
Sony Corporation, Tokyo, JP;
Masaharu Hosoi, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
There is provided a zoom lens including a first lens group having negative refractive power, a second lens group having positive refractive power, a third lens group having negative refractive power, and a fourth lens group having positive refractive power, the lens groups being arranged in order from an object side to an image side. The second lens group includes a front group having positive refractive power, and a rear group having positive refractive power, the front and rear groups being arranged in order from the object side to the image side. The front group includes a positive lens, a positive lens, a negative lens, and a positive lens, the lenses being arranged in order from the object side to the image side. The rear group includes at least one positive lens.