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:
Oct. 25, 2016
Filed:
Feb. 02, 2016
Applicant:
Tamron Co., Ltd, Saitama-shi, Saitama, JP;
Inventor:
Yoshito Iwasawa, Tokyo, JP;
Assignee:
TAMRON CO., LTD, Saitama-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 15/16 (2006.01); G02B 13/00 (2006.01); G02B 27/00 (2006.01); G02B 9/00 (2006.01); G02B 9/60 (2006.01); G02B 9/62 (2006.01);
U.S. Cl.
CPC ...
G02B 13/009 (2013.01); G02B 9/00 (2013.01); G02B 9/60 (2013.01); G02B 9/62 (2013.01); G02B 15/14 (2013.01); G02B 15/16 (2013.01); G02B 27/0025 (2013.01);
Abstract
Provided are: a zoom lens which exhibits a large variable-power ratio, an increased degree of freedom with respect to aberration correction, and which has been achieved having a sufficient reduction in size in the optical axis direction; and an imaging device equipped therewith. The zoom lens includes at least, from the object side, a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth lens group, and a fifth lens group, in that order. In the zoom lens, prescribed conditions are satisfied.