KR20090048298A - 촬상 렌즈 - Google Patents
촬상 렌즈 Download PDFInfo
- Publication number
- KR20090048298A KR20090048298A KR1020080073058A KR20080073058A KR20090048298A KR 20090048298 A KR20090048298 A KR 20090048298A KR 1020080073058 A KR1020080073058 A KR 1020080073058A KR 20080073058 A KR20080073058 A KR 20080073058A KR 20090048298 A KR20090048298 A KR 20090048298A
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- imaging
- refractive power
- negative
- curvature
- Prior art date
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 51
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 230000004075 alteration Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- BGRDGMRNKXEXQD-UHFFFAOYSA-N Maleic hydrazide Chemical compound OC1=CC=C(O)N=N1 BGRDGMRNKXEXQD-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000002250 progressing effect Effects 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 -
- G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- 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
- G02B13/0045—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 five or more lenses
-
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/281—Interference filters designed for the infrared light
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
Abstract
Description
Claims (6)
- 물체측으로부터 순차적으로, 조리개, 제1렌즈, 제2렌즈, 제3렌즈, 제4렌즈, 제5렌즈를 구비하되,상기 제1렌즈는 정의 굴절력을 갖는 정 렌즈이고,상기 제2렌즈는 부의 굴절력을 갖는 부 렌즈이고,상기 제3렌즈는 적어도 한 면을 비구면 형상으로 하며, 정의 굴절력을 갖는 정 렌즈이고,상기 제4렌즈는 부의 굴절력을 갖는 부 렌즈이고,상기 제5렌즈는 부의 굴절력을 갖는 부 렌즈이고,이하의 조건식을 만족하도록 구성되어 있는 것을 특징으로 하는 촬상 렌즈.(r3+r4)/(r3-r4) > -0.7 ㆍㆍㆍ(1)V1-V2 > 15.0 ㆍㆍㆍ(2)V3-V2 > 15.0 ㆍㆍㆍ(3)V5 <50 ㆍㆍㆍ(4)단, r3는 제2렌즈의 물체측 면의 곡률반경이고, r4는 제2렌즈의 상측 면의 곡률반경이고, V1,V2,V3 및 V5는 각각 제1렌즈,제2렌즈,제3렌즈, 제5렌즈의 d-line에 대한 Abbe수이다.
- 제1항에 있어서,이하의 조건식을 만족하도록 구성되어 있는 것을 특징으로 하는 촬상 렌즈.0 > R3R > R4F ㆍㆍㆍ(5)단, R3R은 제3렌즈의 상측 면의 중심에서의 곡률반경을 나타내고,R4F은 제4렌즈의 물체측 면의 중심에서의 곡률반경을 나타낸다.
- 제1항에 있어서,이하의 조건식을 만족하도록 구성되어 있는 것을 특징으로 하는 촬상 렌즈.0 < f1/f < 0.8 ㆍㆍㆍ(6)TL/f < 1.7 ㆍㆍㆍ(7)-5 < f5 < -50 ㆍㆍㆍ(8)n5 > 1.5 ㆍㆍㆍ(9)5 < │f5/f│ < 20 ㆍㆍㆍ(10)단, f는 전체 촬상 렌즈의 초점거리를 나타내고, f1은 상기 제1렌즈의 초점거리를 나타내고, f5는 제5렌즈의 초점거리를 나타내고, n5는 제5렌즈의 d-선에 대한 굴절률을 나타내고, TL은 상기 조리개부터 촬상면 사이의 전체 거리를 나타낸다.
- 제1항에 있어서,상기 제5렌즈의 상측면에 IR 코팅을 적용하는 것을 특징으로 하는 촬상 렌 즈.
- 제1항에 있어서,상기 제5렌즈와 상면 사이에 IR 필터를 구비하는 것을 특징으로 하는 촬상 렌즈.
- 제1항에 있어서,상기 제5렌즈는 글래스 렌즈인 것을 특징으로 하는 촬상 렌즈.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20070113592 | 2007-11-08 | ||
KR1020070113592 | 2007-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090048298A true KR20090048298A (ko) | 2009-05-13 |
KR101019519B1 KR101019519B1 (ko) | 2011-03-07 |
Family
ID=40857497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080073058A KR101019519B1 (ko) | 2007-11-08 | 2008-07-25 | 촬상 렌즈 |
Country Status (1)
Country | Link |
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KR (1) | KR101019519B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2629131A1 (en) | 2012-02-16 | 2013-08-21 | LG Innotek Co., Ltd. | Imaging lens |
KR20170018623A (ko) | 2015-08-10 | 2017-02-20 | 삼성전기주식회사 | 촬상 광학계 |
CN110320648A (zh) * | 2018-03-28 | 2019-10-11 | 先进光电科技股份有限公司 | 光学成像系统 |
KR20210111734A (ko) | 2018-07-02 | 2021-09-13 | 삼성전기주식회사 | 촬상 광학계 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101897055B1 (ko) | 2011-08-31 | 2018-10-29 | 엘지이노텍 주식회사 | 광학계 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6432215A (en) * | 1987-07-29 | 1989-02-02 | Konishiroku Photo Ind | Projection lens for projector |
JP2679017B2 (ja) | 1986-12-27 | 1997-11-19 | ミノルタ株式会社 | 2焦点切替レンズ系 |
JP3247756B2 (ja) * | 1993-03-12 | 2002-01-21 | オリンパス光学工業株式会社 | 広角写真レンズ |
JP4847172B2 (ja) | 2006-03-28 | 2011-12-28 | 富士フイルム株式会社 | 撮像レンズ |
-
2008
- 2008-07-25 KR KR1020080073058A patent/KR101019519B1/ko active IP Right Grant
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2629131A1 (en) | 2012-02-16 | 2013-08-21 | LG Innotek Co., Ltd. | Imaging lens |
KR20170018623A (ko) | 2015-08-10 | 2017-02-20 | 삼성전기주식회사 | 촬상 광학계 |
CN110320648A (zh) * | 2018-03-28 | 2019-10-11 | 先进光电科技股份有限公司 | 光学成像系统 |
CN110320648B (zh) * | 2018-03-28 | 2021-11-05 | 先进光电科技股份有限公司 | 光学成像系统 |
KR20210111734A (ko) | 2018-07-02 | 2021-09-13 | 삼성전기주식회사 | 촬상 광학계 |
KR20220129527A (ko) | 2018-07-02 | 2022-09-23 | 삼성전기주식회사 | 촬상 광학계 |
Also Published As
Publication number | Publication date |
---|---|
KR101019519B1 (ko) | 2011-03-07 |
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