Title:
IMAGING LENS AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/048466
Kind Code:
A1
Abstract:
An imaging lens 10 according to the present disclosure comprises, in order from an object side: a first lens 110 having a negative refractive power; a second lens 120 having a negative refractive power; a third lens 130 having a positive refractive power; an aperture stop 170; a fourth lens 140 having a positive refractive power; a fifth lens 150 having a negative refractive power; and a sixth lens 160 having a positive refractive power, wherein the following conditional expressions are satisfied.
(1): 0.6 <（R1+R2）/ (R1-R2) < 0.8
(2): -1.1 < (dN4/dT + dN6/dT) / f < -0.7
Inventors:
YASUDA KEITA (JP)
Application Number:
PCT/JP2023/030790
Publication Date:
March 07, 2024
Filing Date:
August 25, 2023
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
G02B13/04; G02B13/18
Foreign References:
| JPH1020189A | 1998-01-23 | |||
| JP2020046565A | 2020-03-26 | |||
| JP2006171597A | 2006-06-29 | |||
| JP2005221920A | 2005-08-18 | |||
| JP2017156570A | 2017-09-07 | |||
| JP2014059466A | 2014-04-03 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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