KR20160058651A - 내시경용 촬영 렌즈계 - Google Patents
내시경용 촬영 렌즈계 Download PDFInfo
- Publication number
- KR20160058651A KR20160058651A KR1020140160412A KR20140160412A KR20160058651A KR 20160058651 A KR20160058651 A KR 20160058651A KR 1020140160412 A KR1020140160412 A KR 1020140160412A KR 20140160412 A KR20140160412 A KR 20140160412A KR 20160058651 A KR20160058651 A KR 20160058651A
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- lens
- endoscope
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- 238000003384 imaging method Methods 0.000 title description 2
- 230000005499 meniscus Effects 0.000 claims abstract description 5
- 230000014509 gene expression Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000004075 alteration Effects 0.000 description 13
- 201000009310 astigmatism Diseases 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G02B9/58—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged - + + -
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/055—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances having rod-lens arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S353/00—Optics: image projectors
- Y10S353/06—Head accessories
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Lenses (AREA)
Abstract
Description
도 2는 본 발명의 바람직한 제2실시예에 따른 내시경용 촬영 렌즈계의 구성도이다.
도 3은 도 1의 구성을 가진 내시경용 촬영 렌즈계의 수차도이다.
도 4는 도 2의 구성을 가진 내시경용 촬영 렌즈계의 수차도이다.
| 면번호 | 곡률반경 | 두께, 거리 | 굴절률(nd) | 아베수(vd) |
| 0 | Infinity | 10.000 | ||
| 1* | -0.7366 | 0.300 | 1.531 | 55.7 |
| 2 | 0.7910 | 0.240 | ||
| 3* | 0.5181 | 0.570 | 1.642 | 22.4 |
| 4 | 17.3780 | 0.100 | ||
| Stop | Infinity | 0.140 | ||
| 6* | 8.9872 | 0.590 | 1.531 | 55.7 |
| 7 | -0.7050 | 0.100 | ||
| 8 | 4.5630 | 0.300 | 1.642 | 22.4 |
| 9 | 3.4580 | 0.370 | ||
| 10 | Infinity | 0.300 | ||
| 11 | Infinity | 0.101 | ||
| 12 | Infinity | -0.001 |
| 1면 | 3면 | 6면 | |
| k | -9.826435 | -0.726603 | 0.000000 |
| A4 | 0.232104E+00 | -.137149E+01 | -.329108E+01 |
| A6 | -.241334E+00 | 0.286144E+01 | 0.373732E+02 |
| A8 | 0.145345E+00 | -.554155E+01 | -.408955E+03 |
| A10 | -.359467E-01 | 0.113932E+01 | 0.138722E+04 |
| 면번호 | 곡률반경 | 두께, 거리 | 굴절률(nd) | 아베수(vd) |
| 0 | Infinity | 10.000 | ||
| 1* | -1.7659 | 0.300 | 1.531 | 55.7 |
| 2 | 0.4770 | 0.260 | ||
| 3* | 0.5686 | 0.460 | 1.642 | 22.4 |
| 4 | 23.2620 | 0.100 | ||
| Stop | Infinity | 0.160 | ||
| 6* | 3.3508 | 0.470 | 1.531 | 55.7 |
| 7 | -0.6690 | 0.100 | ||
| 8 | 6.2600 | 0.300 | 1.531 | 55.7 |
| 9 | 4.5530 | 0.200 | ||
| 10 | Infinity | 0.300 | ||
| 11 | Infinity | 0.300 | ||
| 12 | Infinity | 0.000 |
| 1면 | 3면 | 6면 | |
| k | -52.457908 | -0.494428 | 0.000000 |
| A4 | 0.221446E+00 | -.953197E+00 | -.283511E+01 |
| A6 | -.186305E+00 | 0.623286E+01 | 0.292433E+02 |
| A8 | 0.100033E+00 | -.197179E+02 | -.272465E+03 |
| A10 | -.190654E-01 | 0.371146E+02 | 0.958850E+03 |
| 조건식 | 실시예1 | 실시예2 |
| 0.5< R3/|R6| <0.9 |f1|<|f2|<|f3|<|f4| Vd1 > Vd2 |
0.5< 0.735 <0.9 0.67<0.82<1.26<24.9 55.7>22.4 |
0.5< 0.85 <0.9 0.68<0.90<1.09<33.5 55.7>22.4 |
L2 : 제2렌즈
L3 : 제3렌즈
R1, R2, … : 렌즈 곡률반경
Claims (5)
- 제3항에 있어서,
상기 제1렌즈, 상기 제3렌즈, 및 상기 제4렌즈는 모두 동일한 아베수를 가지는 플라스틱 소재로 이루어지는 것을 특징으로 하는 내시경용 촬영 렌즈계. - 제3항에 있어서,
상기 제1렌즈와 제3렌즈는 동일한 아베수를 가지는 플라스틱 소재로 이루어지고,
상기 제2렌즈와 제4렌즈는 각각 동일한 아베수를 가지는 플라스틱 소재로 이루어진 것을 특징으로 하는 내시경용 촬영 렌즈계.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140160412A KR101725982B1 (ko) | 2014-11-17 | 2014-11-17 | 내시경용 촬영 렌즈계 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140160412A KR101725982B1 (ko) | 2014-11-17 | 2014-11-17 | 내시경용 촬영 렌즈계 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160058651A true KR20160058651A (ko) | 2016-05-25 |
| KR101725982B1 KR101725982B1 (ko) | 2017-05-15 |
Family
ID=56114532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020140160412A Active KR101725982B1 (ko) | 2014-11-17 | 2014-11-17 | 내시경용 촬영 렌즈계 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101725982B1 (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219610A (zh) * | 2017-07-25 | 2017-09-29 | 浙江舜宇光学有限公司 | 成像镜头 |
| CN111562660A (zh) * | 2020-06-02 | 2020-08-21 | 宁波锦辉光学科技有限公司 | 一种微型镜头 |
| KR20200145114A (ko) * | 2019-06-20 | 2020-12-30 | 한국원자력연구원 | 광각렌즈 시스템 및 이를 구비하는 촬영 시스템 |
| WO2022145990A1 (ko) * | 2020-12-28 | 2022-07-07 | 엘지이노텍 주식회사 | 차량용 광학계 및 카메라 모듈 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4827454B2 (ja) | 2005-07-22 | 2011-11-30 | キヤノン株式会社 | ズームレンズおよびそれを有する撮像装置 |
| JP4956102B2 (ja) | 2006-09-08 | 2012-06-20 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP2012159727A (ja) * | 2011-02-01 | 2012-08-23 | Canon Inc | 変倍光学系 |
| JP5647570B2 (ja) | 2011-06-24 | 2015-01-07 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
-
2014
- 2014-11-17 KR KR1020140160412A patent/KR101725982B1/ko active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219610A (zh) * | 2017-07-25 | 2017-09-29 | 浙江舜宇光学有限公司 | 成像镜头 |
| CN107219610B (zh) * | 2017-07-25 | 2022-09-20 | 浙江舜宇光学有限公司 | 成像镜头 |
| KR20200145114A (ko) * | 2019-06-20 | 2020-12-30 | 한국원자력연구원 | 광각렌즈 시스템 및 이를 구비하는 촬영 시스템 |
| CN111562660A (zh) * | 2020-06-02 | 2020-08-21 | 宁波锦辉光学科技有限公司 | 一种微型镜头 |
| WO2022145990A1 (ko) * | 2020-12-28 | 2022-07-07 | 엘지이노텍 주식회사 | 차량용 광학계 및 카메라 모듈 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101725982B1 (ko) | 2017-05-15 |
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