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:
Mar. 11, 2025
Filed:
Oct. 28, 2021
Applicant:
Tamron Co., Ltd., Saitama, JP;
Inventor:
Shingo Abe, Saitama, JP;
Assignee:
TAMRON CO., LTD., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 3/04 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 15/1465 (2019.08); G02B 3/04 (2013.01); G02B 13/0045 (2013.01);
Abstract
A zoom lens includes: a first lens group having negative refractive power on a most object side; and a positive lens group Pa having positive refractive power, a negative lens group N having negative refractive power, and a positive lens group Pb having positive refractive power that are arranged in this order from the object side and provided on an image side with respect to the first lens group.