JP2020112835A5 - Imaging lens system - Google Patents
Imaging lens system Download PDFInfo
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- JP2020112835A5 JP2020112835A5 JP2020076217A JP2020076217A JP2020112835A5 JP 2020112835 A5 JP2020112835 A5 JP 2020112835A5 JP 2020076217 A JP2020076217 A JP 2020076217A JP 2020076217 A JP2020076217 A JP 2020076217A JP 2020112835 A5 JP2020112835 A5 JP 2020112835A5
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- lens
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- lens system
- imaging lens
- imaging
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- 238000003384 imaging method Methods 0.000 title claims 7
Claims (6)
像側に凹形状で負のパワーを有する第１レンズと、
像側に凹形状で負のパワーを有する第２レンズと、
物体側に凸形状で正のパワーを有する第３レンズと、
像側に凹形状で負のパワーを有する第４レンズと、
物体側に凸形状で像側に凹形状で正のパワーを有する第５レンズと、
像側に凸形状で正のパワーを有する第６レンズと、から構成され、
前記第４レンズの像側レンズ面と前記第５レンズの物体側レンズ面とが貼り合わされており、
第４レンズのアッベ数が２１未満で第５レンズのアッベ数が５５以上であることを特徴とする撮像レンズ系。 From the object side,
The first lens, which is concave on the image side and has negative power,
A second lens that is concave on the image side and has negative power,
A third lens that is convex toward the object and has positive power,
A fourth lens that is concave on the image side and has negative power,
A fifth lens that is convex on the object side and concave on the image side and has positive power,
It is composed of a sixth lens that is convex on the image side and has positive power.
The image side lens surface of the fourth lens and the object side lens surface of the fifth lens are bonded to each other.
An imaging lens system characterized in that the Abbe number of the fourth lens is less than 21, and the Abbe number of the fifth lens is 55 or more .
−１．２＜ｆ ４ ／ｆ ５ ＜−０．９ （３） Wherein the focal length of the fourth lens f 4, a focal length of the fifth lens when the f 5, the imaging lens system according to claim 1, characterized by satisfying the following conditional expression (3).
-1.2 <f 4 / f 5 <-0.9 (3)
−０．２＜ｆ／ｆ ４５ ＜０．１ （４） The first aspect of claim 1, wherein the following conditional expression (4) is satisfied when the combined focal length of the fourth lens and the fifth lens is f 45 and the focal length of the entire lens system is f. Imaging lens system.
-0.2 <f / f 45 <0.1 (4)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016197128 | 2016-10-05 | ||
| JP2016197128 | 2016-10-05 | ||
| JP2018543960A JP6695995B2 (en) | 2016-10-05 | 2017-10-05 | Imaging lens system and imaging device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018543960A Division JP6695995B2 (en) | 2016-10-05 | 2017-10-05 | Imaging lens system and imaging device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020112835A JP2020112835A (en) | 2020-07-27 |
| JP2020112835A5 true JP2020112835A5 (en) | 2020-11-12 |
| JP6952830B2 JP6952830B2 (en) | 2021-10-27 |
Family
ID=61832148
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018543960A Active JP6695995B2 (en) | 2016-10-05 | 2017-10-05 | Imaging lens system and imaging device |
| JP2020076217A Active JP6952830B2 (en) | 2016-10-05 | 2020-04-22 | Imaging lens system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018543960A Active JP6695995B2 (en) | 2016-10-05 | 2017-10-05 | Imaging lens system and imaging device |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JP6695995B2 (en) |
| WO (1) | WO2018066641A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212722B (en) * | 2018-11-27 | 2024-04-23 | 浙江舜宇光学有限公司 | Optical lens group |
| CN109445068B (en) | 2018-12-05 | 2020-02-18 | 江西联创电子有限公司 | Vehicle-mounted camera lens and imaging device |
| CN109407279B (en) * | 2018-12-12 | 2021-09-14 | 江西联创电子有限公司 | Wide-angle lens and imaging apparatus |
| CN110109233A (en) * | 2019-05-28 | 2019-08-09 | 广东弘景光电科技股份有限公司 | Large aperture optical system and its camera module of application |
| CN110320646A (en) * | 2019-07-25 | 2019-10-11 | 广东弘景光电科技股份有限公司 | Large aperture wide-angle optics and its camera module of application |
| CN110346917A (en) * | 2019-07-29 | 2019-10-18 | 舜宇光学(中山)有限公司 | Glass modeling mixing tight shot |
| CN114035307B (en) * | 2021-10-25 | 2023-03-31 | 福建福光股份有限公司 | 1.6mm ultra-wide angle six-piece optical lens |
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| JP2006337690A (en) * | 2005-06-01 | 2006-12-14 | Olympus Imaging Corp | Image-formation optical system |
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| JP2009136387A (en) * | 2007-12-04 | 2009-06-25 | Fujinon Corp | Imaging lens and capsule endoscope |
| JP5229959B2 (en) * | 2009-02-24 | 2013-07-03 | 富士フイルム株式会社 | Projection lens and projection display device using the same |
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| JP5893468B2 (en) * | 2012-03-29 | 2016-03-23 | 日立マクセル株式会社 | Imaging lens and imaging apparatus |
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| CN103605201B (en) * | 2013-11-20 | 2016-08-17 | 厦门爱劳德光电有限公司 | Optical lens |
| CN104238083B (en) * | 2014-05-29 | 2017-02-01 | 玉晶光电(厦门)有限公司 | Optical imaging lens and electronic device with optical imaging lens |
| JP2016188893A (en) * | 2015-03-30 | 2016-11-04 | 日立マクセル株式会社 | Imaging lens system and imaging device |
| TWI587067B (en) * | 2015-08-04 | 2017-06-11 | 中強光電股份有限公司 | Projection device and projection lens |
| JP2017211575A (en) * | 2016-05-27 | 2017-11-30 | マクセルホールディングス株式会社 | Image capturing lens system and image capturing device |
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2017
- 2017-10-05 WO PCT/JP2017/036255 patent/WO2018066641A1/en active Application Filing
- 2017-10-05 JP JP2018543960A patent/JP6695995B2/en active Active
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2020
- 2020-04-22 JP JP2020076217A patent/JP6952830B2/en active Active