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:
Dec. 19, 2023
Filed:
Apr. 08, 2022
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventor:
Hiroaki Tanaka, Sakai, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 15/1461 (2019.08); G02B 13/18 (2013.01);
Abstract
A zoom lens includes, in order from an object side: a first lens group having positive power; a second lens group having negative power; a third lens group having positive power; a fourth lens group having positive power; a fifth lens group having negative power; and a sixth lens group having positive power. The fourth lens group includes at least one positive lens that satisfies a conditional formula of vdp≥65. A conditional formula of 1.19≤f3/ft≤4.15 and a conditional formula of 0.51≤f4/ft≤1.50 are satisfied.