Title:
IMAGE CAPTURING LENS AND IMAGE CAPTURING DEVICE
Document Type and Number:
Japanese Patent JP2021117492
Kind Code:
A
Abstract:
To provide a good image capturing lens which offers a small F-number and is well corrected for aberrations, and to provide an image capturing device having the same.SOLUTION: An image capturing lens provided herein comprises a positive first lens group and a second lens group as lens groups successively arranged in order from the object side. A distance between the first and second lens groups changes while focusing. An aperture stop is located on the image side of a second lens from the object side. Composite refractive power of all the lenses located on the object side of the aperture stop is positive. The image capturing lens includes a positive LA lens and a positive LB lens, both satisfying predetermined conditional expressions, on the object side of the aperture stop. The positive LB lens has the greatest Abbe number among all positive lenses located on the object side of the aperture stop.SELECTED DRAWING: Figure 1
Inventors:
KAWAMURA HIROKI
CHO MICHIO
CHO MICHIO
Application Number:
JP2020219164A
Publication Date:
August 10, 2021
Filing Date:
December 28, 2020
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
G02B13/00; G02B13/18
Domestic Patent References:
| JP2017215491A | 2017-12-07 | |||
| JP2019219472A | 2019-12-26 | |||
| JP2015172611A | 2015-10-01 | |||
| JP2016006469A | 2016-01-14 | |||
| JP2017111275A | 2017-06-22 | |||
| JP2019144477A | 2019-08-29 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office