Title:
IMAGING LENS SYSTEM, CAMERA MODULE, VEHICLE-MOUNTED SYSTEM, AND MOBILE OBJECT
Document Type and Number:
WIPO Patent Application WO/2023/136211
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an imaging lens system which has sufficient brightness while keeping cost low, a camera module, a vehicle-mounted system, and a mobile object. An imaging lens system (11) comprises, in order from the object side: a first lens (L1) that has positive power with an object-side surface directing a convex surface to the object side; a second lens (L2) that has negative power with an object-side surface directing a convex surface to the object side; a third lens (L3) that is a meniscus lens having positive power with an image-side surface directing a convex surface to the image side; a fourth lens (L4) that has negative power with an image-side surface directing a concave surface to the image side; a fifth lens (L5) that is a biconvex lens having positive power; and a sixth lens (L6) with an object-side surface directing a convex surface to the object side, and satisfies conditional expressions (1) to (3). (1): nd1 > 1.77 (2): nd2 > 1.77 (3): 0.8 < f3/f < 12.0
Inventors:
SHIMOEDA YUKIHIRO (JP)
Application Number:
PCT/JP2023/000159
Publication Date:
July 20, 2023
Filing Date:
January 06, 2023
Export Citation:
Assignee:
MAXELL LTD (JP)
International Classes:
G02B13/04; G02B13/18
Domestic Patent References:
| WO2015118664A1 | 2015-08-13 | |||
| WO2019216087A1 | 2019-11-14 |
Foreign References:
| JPH06347694A | 1994-12-22 | |||
| JP2004133229A | 2004-04-30 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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