Title:
ZOOM LENS, IMAGE CAPTURING OPTICAL DEVICE, AND DIGITAL DEVICE
Document Type and Number:
Japanese Patent JP2022174852
Kind Code:
A
Abstract:
To provide a zoom lens which features a small F-number and good aberration correction over an entire zoom range.SOLUTION: A zoom lens ZL consists of, in order from an object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power, a fourth lens group G4 having positive refractive power, a fifth lens group G5 having negative refractive power, and a sixth lens group G6 having positive refractive power. The fourth lens group G4 has at least one positive lens that satisfies a conditional expression: νdp≥65. The zoom lens ZL satisfies the following conditional expressions: 1.19≤f3/ft≤4.15 and 0.51≤f4/ft≤1.50.SELECTED DRAWING: Figure 1
Inventors:
TANAKA HIROAKI
Application Number:
JP2021080854A
Publication Date:
November 25, 2022
Filing Date:
May 12, 2021
Export Citation:
Assignee:
KONICA MINOLTA INC
International Classes:
G02B15/20
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office