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. 13, 2018
Filed:
Sep. 12, 2016
Fujifilm Corporation, Tokyo, JP;
Daiki Komatsu, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A zoom lens is constituted by, in order from the object side to the image side: a positive first lens group; a positive second lens group; a negative third lens group; a negative fourth lens group; and a positive fifth lens group. The first lens group and the fifth lens group are fixed with respect to an image formation plane while the second lens group, the third lens group, and the fourth lens group move to change the distances among adjacent lens group when changing magnification. Conditional Formula (1) below is satisfied.2.1<3/2<20  (1)
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