KR20090079635A - 카메라용 결상 광학계 및 이를 채용한 화상 통신용 카메라 - Google Patents
카메라용 결상 광학계 및 이를 채용한 화상 통신용 카메라 Download PDFInfo
- Publication number
- KR20090079635A KR20090079635A KR1020080005760A KR20080005760A KR20090079635A KR 20090079635 A KR20090079635 A KR 20090079635A KR 1020080005760 A KR1020080005760 A KR 1020080005760A KR 20080005760 A KR20080005760 A KR 20080005760A KR 20090079635 A KR20090079635 A KR 20090079635A
- Authority
- KR
- South Korea
- Prior art keywords
- optical system
- imaging optical
- lens
- conditional expression
- camera
- Prior art date
Links
- 238000012634 optical imaging Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 claims abstract description 74
- 238000003384 imaging method Methods 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims 4
- 230000004075 alteration Effects 0.000 description 15
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- 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 -
- G02B9/02—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having one + component only
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- 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 -
- G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0025—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having one lens only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | |
수학식 1 | 0.8866 | 0.8949 | 0.9055 | 0.8939 |
수학식 2 | 1.7001 | 1.6869 | 1.6733 | 1.6911 |
수학식 3 | 0.185 | 0.2 | 0.2 | 0.2 |
수학식 4 | 0.6692 | 0.6624 | 0.6902 | 0.6682 |
수학식 5 | 0.4666 | 0.4508 | 0.4471 | 0.4552 |
Claims (7)
- 물체측으로부터 배열된 조리개 및 제1렌즈를 포함하고,상기 제1렌즈는 양의 굴절력을 가지며, 양면이 비구면으로 구성되고, 양면이 볼록한 형상을 가지며, 다음의 조건식을 만족하는 것을 특징으로 하는 카메라용 결상 광학계.<조건식>LB/f>0.88LT/LB<1.71여기서, LT는 상기 조리개로부터 결상 광학계의 상면까지의 광축 상의 거리를, f는 결상 광학계의 전체 초점거리를, LB는 상기 제1렌즈의 상측 면으로부터 결상 광학계의 상면까지의 광축 상의 거리를 각각 나타낸다.
- 제 1항에 있어서,상기 결상 광학계가 다음의 조건식을 만족하는 것을 특징으로 하는 카메라용 결상 광학계.<조건식>0.18≤S≤0.2여기서, S는 조리개로부터 제1렌즈의 물체측 면까지의 광축 상의 거리를 나 타낸다.
- 제 1항 또는 제 2항에 따른 결상 광학계를 포함하는 것을 특징으로 하는 화상 통신용 카메라.
- 제 3항에 따른 결상 광학계를 포함하는 것을 특징으로 하는 화상 통신용 카메라.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080005760A KR100950506B1 (ko) | 2008-01-18 | 2008-01-18 | 카메라용 결상 광학계 및 이를 채용한 화상 통신용 카메라 |
US12/283,210 US7916402B2 (en) | 2008-01-18 | 2008-09-10 | Imaging optical system for camera and video telephony camera employing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080005760A KR100950506B1 (ko) | 2008-01-18 | 2008-01-18 | 카메라용 결상 광학계 및 이를 채용한 화상 통신용 카메라 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090079635A true KR20090079635A (ko) | 2009-07-22 |
KR100950506B1 KR100950506B1 (ko) | 2010-03-31 |
Family
ID=40876152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080005760A KR100950506B1 (ko) | 2008-01-18 | 2008-01-18 | 카메라용 결상 광학계 및 이를 채용한 화상 통신용 카메라 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7916402B2 (ko) |
KR (1) | KR100950506B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111007638A (zh) * | 2019-12-25 | 2020-04-14 | 辽宁中蓝光电科技有限公司 | 一种小像面的单片光学镜头 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8018523B2 (en) * | 2008-05-13 | 2011-09-13 | Samsung Techwin Co., Ltd. | Imaging optical system for image sensor |
KR101887143B1 (ko) * | 2016-09-20 | 2018-09-11 | 주식회사 소모에너지엔테크놀러지 | 수평화각 90도의 장파장 적외선 카메라 및 카메라용 렌즈 |
KR101768575B1 (ko) * | 2016-09-20 | 2017-08-17 | 주식회사 소모에너지엔테크놀러지 | 수평화각 54도의 장파장 적외선 카메라 및 카메라용 렌즈 |
GB2591312B (en) | 2019-08-06 | 2022-02-09 | Canon Kk | Optical system and imaging apparatus |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000249911A (ja) | 1999-02-26 | 2000-09-14 | Enplas Corp | 撮像レンズ |
JP2003005031A (ja) * | 2001-06-18 | 2003-01-08 | Milestone Kk | 撮像用レンズ |
JP4001471B2 (ja) | 2001-08-13 | 2007-10-31 | 株式会社エンプラス | 撮像レンズ |
JP3595317B2 (ja) | 2002-05-29 | 2004-12-02 | 株式会社エンプラス | 固体撮像素子用広角光学系 |
JP2006010990A (ja) | 2004-06-24 | 2006-01-12 | Nippon Zeon Co Ltd | 結像レンズ |
JP2007322839A (ja) | 2006-06-01 | 2007-12-13 | Fu Tech Kk | 結像レンズおよび携帯情報端末装置 |
-
2008
- 2008-01-18 KR KR1020080005760A patent/KR100950506B1/ko active IP Right Grant
- 2008-09-10 US US12/283,210 patent/US7916402B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111007638A (zh) * | 2019-12-25 | 2020-04-14 | 辽宁中蓝光电科技有限公司 | 一种小像面的单片光学镜头 |
Also Published As
Publication number | Publication date |
---|---|
US20090185026A1 (en) | 2009-07-23 |
KR100950506B1 (ko) | 2010-03-31 |
US7916402B2 (en) | 2011-03-29 |
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