Title:
IMAGING LENS SYSTEM AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/054010
Kind Code:
A1
Abstract:
In order to provide an on-vehicle wide-angle lens that can simultaneously satisfy a high resolution required for sensing, a vehicle mountable size, and a low cost, this imaging lens (10) has, in order from the object side: a first lens (L1) that has a negative power and has a concave surface on the image side; a second lens (L2) that has a negative power and has a concave surface on the image side; a third lens (L3) that has a positive power and has a convex surface on the object side; a stop; a fourth lens (L4) that has a positive power and has a convex surface on the image side; a fifth lens (L5); a sixth lens (L6) having the object side adhered to the image side of the fifth lens L5; and a seventh lens (L7) that has a negative power and has a convex surface on the image side, wherein the fourth lens (L4) is an aspherical glass lens.
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Inventors:
SHIMOEDA YUKIHIRO (JP)
Application Number:
PCT/JP2018/024681
Publication Date:
March 21, 2019
Filing Date:
June 28, 2018
Export Citation:
Assignee:
MAXELL LTD (JP)
International Classes:
G02B13/04; G02B13/18
Foreign References:
| JP2012068656A | 2012-04-05 | |||
| JP2001133685A | 2001-05-18 | |||
| JPH11125767A | 1999-05-11 | |||
| JPH0593866A | 1993-04-16 | |||
| JPH03500582A | 1991-02-07 | |||
| JPH02176713A | 1990-07-09 | |||
| JPH01315709A | 1989-12-20 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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