KR100299391B1 - 텔레션트릭렌즈시스템 - Google Patents
텔레션트릭렌즈시스템 Download PDFInfo
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- KR100299391B1 KR100299391B1 KR1019970036115A KR19970036115A KR100299391B1 KR 100299391 B1 KR100299391 B1 KR 100299391B1 KR 1019970036115 A KR1019970036115 A KR 1019970036115A KR 19970036115 A KR19970036115 A KR 19970036115A KR 100299391 B1 KR100299391 B1 KR 100299391B1
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- South Korea
- Prior art keywords
- lens
- lens unit
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- 230000005499 meniscus Effects 0.000 claims abstract description 3
- 230000014509 gene expression Effects 0.000 claims description 36
- 230000003287 optical effect Effects 0.000 claims description 16
- 230000004075 alteration Effects 0.000 description 36
- 230000004907 flux Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 201000009310 astigmatism Diseases 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 2
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 210000003050 axon Anatomy 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/22—Telecentric objectives or lens systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
Claims (12)
- 큰 공역쪽으로부터 작은 공역쪽으로 순서대로 포지티브의 굴절력을 가진 제1 렌즈유닛과, 적어도 1개의 포지티브렌즈성분 및 그 대향면보다 더 강한 큰 공역쪽의 굴절력을 가지는 1개의 네거티브렌즈성분을 가진 제 2렌즈유닛을 포함하는 텔레센트릭 렌즈시스템에 있어서,상기 제 1렌즈유닛은 큰 공역쪽으로부터 작은 공역쪽으로 순서대로 큰 공역쪽에 볼록면을 향하게한 적어도 2개의 메니스커스 네거티브렌즈성분과, 대향면보다 더 강한 큰 공역쪽의 굴절력을 가진 포지티브렌즈성분과, 대향면보다 더 강한 작은 공역쪽의 굴절력을 가진 포지티브렌즈성분과, 큰 공역쪽으로부터 작은 공역쪽으로 순서대로 네거티브렌즈성분과 포지티브렌즈성분으로 이루어지고 큰 공역쪽에 볼록면을 향하게한 접합면을 가진 접합렌즈와, 적어도 1개의 포지티브렌즈로 이루어진 것을 특징으로 하는 텔레센트릭렌즈시스템.
- 제 1항에 있어서, 이하의 조건식을 만족하는 것을 특징으로 하는 텔레센트릭렌즈시스템.
- 제 1항에 있어서, 상기 제 1렌즈유닛과 상기 제 2렌즈유닛은 각각 적어도 1면의 비구면을 가진 것을 특징으로 하는 텔레센트릭렌즈시스템.
- 제 8항에 있어서, 상기 제 1렌즈유닛 중의 비구면은 상기 제 1렌즈유닛 중의 큰 공역쪽에 가장 가깝게 위치하고, 네거티브렌즈성분에 비구면이 사용되는 경우는 광축으로부터 멀어짐에 따라 네거티브파워가 점점 약해지고, 포지티브렌즈성분에 비구면이 사용되는 경우는 광축으로부터 멀어짐에 따라 포지티브파워가 점점 강해지는 비구면인 것을 특징으로 하는 텔레센트릭렌즈시스템.
- 제 8항에 있어서, 상기 제 2렌즈유닛 중의 비구면은, 포지티브렌즈성분에 비구면이 사용되는 경우는 광축으로부터 멀어짐에 따라 포지티브파워가 점점 약해지며, 네거티브렌즈성분에 비구면이 사용되는 경우는 광축으로부터 멀어짐에 따라 네거티브파워가 점점 강해지도록 위치해 있는 것을 특징으로 하는 텔레센트릭렌즈시스템.
- 제 1항에 있어서, 상기 제 2렌즈유닛의 적어도 1개의 포지티브렌즈성분은 1개의 양볼록렌즈로 이루어진 것을 특징으로 하는 텔레센트릭렌즈시스템.
- 제 1항에 있어서, 축상주광선과 축외주광선이 교차하는 점은 상기 제 1렌즈유닛의 대략 중앙부에 위치하는 2개의 포지티브렌즈성분 사이에 위치하는 것을 특징으로 하는 텔레센트릭렌즈시스셈.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP96-202062 | 1996-07-31 | ||
JP20206296A JP3610166B2 (ja) | 1996-07-31 | 1996-07-31 | 大口径広角テレセントリックレンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR980010589A KR980010589A (ko) | 1998-04-30 |
KR100299391B1 true KR100299391B1 (ko) | 2002-04-24 |
Family
ID=16451320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970036115A KR100299391B1 (ko) | 1996-07-31 | 1997-07-30 | 텔레션트릭렌즈시스템 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5920433A (ko) |
EP (1) | EP0822433B1 (ko) |
JP (1) | JP3610166B2 (ko) |
KR (1) | KR100299391B1 (ko) |
DE (1) | DE69739112D1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6285509B1 (en) | 1997-12-25 | 2001-09-04 | Canon Kabushiki Kaisha | Zoom lens and display apparatus having the same |
JP2001045521A (ja) | 1999-07-30 | 2001-02-16 | Canon Inc | 立体画像撮影光学系及びそれを用いた立体画像撮影装置 |
JP2001124991A (ja) | 1999-10-28 | 2001-05-11 | Canon Inc | 立体撮影用光学系及びそれを用いた立体撮像装置 |
US6476983B2 (en) | 1999-12-07 | 2002-11-05 | Canon Kabushiki Kaisha | Eyepiece lens, objective lens, and optical apparatus having them |
JP2001166258A (ja) * | 1999-12-10 | 2001-06-22 | Canon Inc | 立体画像撮影用光学系及びそれを用いた立体画像撮影装置 |
JP2001218230A (ja) | 2000-02-02 | 2001-08-10 | Canon Inc | 立体撮像装置 |
KR100406610B1 (ko) * | 2001-04-30 | 2003-11-20 | 삼성테크윈 주식회사 | 광각 투사 렌즈 |
CN100380161C (zh) | 2004-03-10 | 2008-04-09 | 佳能株式会社 | 变焦透镜及具有该变焦透镜的图像显示装置 |
TWI427352B (zh) | 2010-09-30 | 2014-02-21 | Young Optics Inc | 定焦鏡頭 |
JP6189736B2 (ja) * | 2013-12-18 | 2017-08-30 | 富士フイルム株式会社 | 撮像レンズおよび撮像装置 |
JP6320904B2 (ja) * | 2014-11-25 | 2018-05-09 | 富士フイルム株式会社 | 撮像レンズおよび撮像装置 |
KR101976278B1 (ko) * | 2017-11-09 | 2019-05-07 | 경북대학교 산학협력단 | 초다시점 테이블탑 디스플레이 장치 |
JP2020052350A (ja) * | 2018-09-28 | 2020-04-02 | 富士フイルム株式会社 | 撮像レンズ及び撮像装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572620A (en) * | 1982-08-16 | 1986-02-25 | Olympus Optical Co., Ltd. | Zoom lens system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5336326B2 (ko) * | 1972-12-26 | 1978-10-02 | ||
GB2153543B (en) * | 1983-12-28 | 1988-09-01 | Canon Kk | A projection exposure apparatus |
US4986642A (en) * | 1987-11-20 | 1991-01-22 | Olympus Optical Co., Ltd. | Objective lens system for endoscopes and image pickup system equipped with said objective lens system |
US5005957A (en) * | 1988-09-07 | 1991-04-09 | Olympus Optical Co., Ltd. | Objective lens system for endoscopes |
JP2596810B2 (ja) * | 1988-09-12 | 1997-04-02 | オリンパス光学工業株式会社 | 内視鏡用光学系 |
JP2548359B2 (ja) * | 1989-03-01 | 1996-10-30 | 松下電器産業株式会社 | 投影レンズとそれを用いたプロジェクションテレビ |
US5303087A (en) * | 1990-11-08 | 1994-04-12 | Canon Kabushiki Kaisha | Retrofocus type lens |
JP3040187B2 (ja) * | 1991-04-11 | 2000-05-08 | パイオニア株式会社 | 投影レンズ |
JP2887004B2 (ja) * | 1991-04-26 | 1999-04-26 | キヤノン株式会社 | 投射光学系及びそれを有する光学機器 |
JP3008580B2 (ja) * | 1991-07-12 | 2000-02-14 | キヤノン株式会社 | ズームレンズ |
JP3021127B2 (ja) * | 1991-10-23 | 2000-03-15 | キヤノン株式会社 | レトロフォーカス型レンズ |
US5390048A (en) * | 1991-12-02 | 1995-02-14 | Matsushita Electric Industrial Co., Ltd. | Projection lens assembly and projection display apparatus |
JP3175411B2 (ja) * | 1993-06-25 | 2001-06-11 | キヤノン株式会社 | ズームレンズ |
US5600490A (en) * | 1993-10-06 | 1997-02-04 | Canon Kabushiki Kaisha | Zoom lens for projecting video image |
JP3466002B2 (ja) * | 1995-07-13 | 2003-11-10 | 三菱電機株式会社 | レトロフォーカス型レンズ |
-
1996
- 1996-07-31 JP JP20206296A patent/JP3610166B2/ja not_active Expired - Fee Related
-
1997
- 1997-07-25 US US08/900,131 patent/US5920433A/en not_active Expired - Lifetime
- 1997-07-29 EP EP97113007A patent/EP0822433B1/en not_active Expired - Lifetime
- 1997-07-29 DE DE69739112T patent/DE69739112D1/de not_active Expired - Lifetime
- 1997-07-30 KR KR1019970036115A patent/KR100299391B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572620A (en) * | 1982-08-16 | 1986-02-25 | Olympus Optical Co., Ltd. | Zoom lens system |
Also Published As
Publication number | Publication date |
---|---|
US5920433A (en) | 1999-07-06 |
DE69739112D1 (de) | 2009-01-02 |
KR980010589A (ko) | 1998-04-30 |
EP0822433A2 (en) | 1998-02-04 |
JPH1048513A (ja) | 1998-02-20 |
EP0822433A3 (en) | 1998-10-28 |
EP0822433B1 (en) | 2008-11-19 |
JP3610166B2 (ja) | 2005-01-12 |
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