Title:
ズームレンズおよび撮像装置
Document Type and Number:
Japanese Patent JP7146715
Kind Code:
B2
Abstract:
A zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the first lens group and the fifth lens group are not moved, and the second lens group, the third lens group, and the fourth lens group are moved. The first lens group consists of one negative lens and five positive lenses in order from the object side to an image side. Predetermined conditional expressions related to a refractive index, an Abbe number, and a partial dispersion ratio of the negative lens of the first lens group are satisfied.
Inventors:
Ota
Application Number:
JP2019171642A
Publication Date:
October 04, 2022
Filing Date:
September 20, 2019
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B15/20
Domestic Patent References:
| JP2019148758A | ||||
| JP2019148760A | ||||
| JP2020012870A | ||||
| JP2020085934A | ||||
| JP2020085935A | ||||
| JP2017215406A | ||||
| JP7248449A |
Foreign References:
| WO2014073187A1 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office
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