JP2010151935A - 撮像レンズ - Google Patents
撮像レンズ Download PDFInfo
- Publication number
- JP2010151935A JP2010151935A JP2008327648A JP2008327648A JP2010151935A JP 2010151935 A JP2010151935 A JP 2010151935A JP 2008327648 A JP2008327648 A JP 2008327648A JP 2008327648 A JP2008327648 A JP 2008327648A JP 2010151935 A JP2010151935 A JP 2010151935A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- convex surface
- imaging lens
- curvature
- concave surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 46
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 230000014509 gene expression Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 230000004075 alteration Effects 0.000 abstract description 45
- 241001519451 Abramis brama Species 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 19
- 239000011521 glass Substances 0.000 description 4
- 206010010071 Coma Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 150000001925 cycloalkenes Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
Images
Classifications
-
- 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
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
- G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
- G02B27/4211—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting chromatic aberrations
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
- G02B5/189—Structurally combined with optical elements not having diffractive power
- G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
【解決手段】1枚構成のプラスチック製レンズL1の物体側に凹面R2、像点側に凸面R4を形成する。凹面R2と凸面R4のそれぞれを非球面とすると共に、凸面R4上に色分散機能を発揮する回折光学面R5を形成し、以下の条件式(1)(2)を満足する。条件式(1)0.45<L/R<0.95、条件式(2)−0.065<L’(1−n)/R’<0.035nL:主光線と光軸が交差する位置を絞り位置としたときの凸面頂点から見た見かけ上の絞りまでの距離、L’:主光線と光軸が交差する位置を絞り位置としたときの凹面頂点から見た見かけ上の絞りまでの距離、R:凸面の曲率半径、R’:凹面の曲率半径、n:レンズ材質の屈折率。
【選択図】図1
Description
(1)0.45<L/R<0.95
(2)−0.065<L’(1−n)/R’<0.035n
ただし、
L :主光線と光軸が交差する位置を絞り位置としたときの、凸面頂点から見た見かけ上の絞りまでの距離
L’: 主光線と光軸が交差する位置を絞り位置としたときの、凹面頂点から見た見かけ上の絞りまでの距離
R :凸面の曲率半径
R’:凹面の曲率半径
n :レンズ材質の屈折率
R1 鏡枠(制御部材)
R2 凹面
R3,R3’ 仮想面
R4 凸面
R5 回折光学面
X 光軸
S 結像面
Claims (2)
- 物体側から順にレンズに入る光量を調整する制御部材と、1枚のプラスチック製レンズとを配置し、このレンズの物体側に凹面を、像点側に凸面をそれぞれ形成し、この各々の面を非球面で構成するとともに、前記凸面が色分散機能を発揮する回折光学面であることを特徴とする撮像レンズ。
- 基準点から物体方向を負、像面方向を正とする座標系において、各光学要素が以下の条件式を満足するように構成されてなることを特徴とする請求項1記載の撮像レンズ。
(1)0.45<L/R<0.95
(2)−0.065<L’(1−n)/R’<0.035n
ただし、
L :主光線と光軸が交差する位置を絞り位置としたときの、凸面頂点から見た見かけ上の絞りまでの距離
L’: 主光線と光軸が交差する位置を絞り位置としたときの、凹面頂点から見た見かけ上の絞りまでの距離
R :凸面の曲率半径
R’:凹面の曲率半径
n :レンズ材質の屈折率
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008327648A JP5227780B2 (ja) | 2008-12-24 | 2008-12-24 | 撮像レンズ |
CN200980157687.7A CN102369469B (zh) | 2008-12-24 | 2009-12-21 | 摄像透镜 |
PCT/JP2009/071224 WO2010074020A1 (ja) | 2008-12-24 | 2009-12-21 | 撮像レンズ |
US13/168,430 US8824065B2 (en) | 2008-12-24 | 2011-06-24 | Imaging lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008327648A JP5227780B2 (ja) | 2008-12-24 | 2008-12-24 | 撮像レンズ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010151935A true JP2010151935A (ja) | 2010-07-08 |
JP2010151935A5 JP2010151935A5 (ja) | 2012-02-02 |
JP5227780B2 JP5227780B2 (ja) | 2013-07-03 |
Family
ID=42287629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008327648A Active JP5227780B2 (ja) | 2008-12-24 | 2008-12-24 | 撮像レンズ |
Country Status (4)
Country | Link |
---|---|
US (1) | US8824065B2 (ja) |
JP (1) | JP5227780B2 (ja) |
CN (1) | CN102369469B (ja) |
WO (1) | WO2010074020A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011081253A (ja) * | 2009-10-08 | 2011-04-21 | Sharp Corp | 撮像レンズ、撮像モジュール、撮像レンズの製造方法、および、撮像モジュールの製造方法 |
KR20180031891A (ko) * | 2016-09-20 | 2018-03-29 | 주식회사 소모에너지엔테크놀러지 | 수평화각 90도의 장파장 적외선 카메라 및 카메라용 렌즈 |
KR102134298B1 (ko) * | 2019-01-17 | 2020-07-16 | 주식회사 소모아이알 | 수평화각 120도의 장파장 적외선 카메라 및 카메라용 렌즈 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4902700B2 (ja) * | 2009-07-14 | 2012-03-21 | シャープ株式会社 | 撮像モジュール |
JP5059065B2 (ja) * | 2009-08-07 | 2012-10-24 | シャープ株式会社 | 撮像モジュール、結像レンズ、およびコード読取方法 |
JP2011090018A (ja) * | 2009-09-24 | 2011-05-06 | Sharp Corp | 撮像レンズ、撮像モジュール、撮像レンズの製造方法、および、撮像モジュールの製造方法 |
JP5043146B2 (ja) | 2010-04-12 | 2012-10-10 | シャープ株式会社 | 撮像レンズおよび撮像モジュール |
JP2012220590A (ja) | 2011-04-05 | 2012-11-12 | Sharp Corp | 撮像レンズおよび撮像モジュール |
KR101768575B1 (ko) * | 2016-09-20 | 2017-08-17 | 주식회사 소모에너지엔테크놀러지 | 수평화각 54도의 장파장 적외선 카메라 및 카메라용 렌즈 |
US11230614B2 (en) | 2017-02-03 | 2022-01-25 | Exxonmobil Chemical Patent Inc. | Methods for making polyethylene polymers |
CN112504474B (zh) * | 2020-12-17 | 2022-02-15 | 天津欧菲光电有限公司 | 光学系统、镜头模组和电子设备 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1073760A (ja) * | 1996-07-02 | 1998-03-17 | Olympus Optical Co Ltd | 回折型光学素子を有するレンズ系 |
JPH1090596A (ja) * | 1996-09-13 | 1998-04-10 | Matsushita Electric Ind Co Ltd | グレーティング素子付光学系およびこれを用いた撮像装置 |
JPH10213739A (ja) * | 1997-01-29 | 1998-08-11 | Konica Corp | 撮影レンズ |
JPH11352397A (ja) * | 1999-06-04 | 1999-12-24 | Matsushita Electric Ind Co Ltd | グレ―ティング素子付光学系およびこれを用いた撮像装置 |
JP2000028913A (ja) * | 1999-06-04 | 2000-01-28 | Matsushita Electric Ind Co Ltd | グレ―ティング素子付光学系およびこれを用いた撮像装置 |
JP2006079059A (ja) * | 2004-09-08 | 2006-03-23 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 小型撮像レンズシステム |
JP2008216470A (ja) * | 2007-03-01 | 2008-09-18 | Hitachi Maxell Ltd | 撮像用対物レンズ、撮像モジュール、及び撮像用対物レンズの設計方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005284153A (ja) | 2004-03-30 | 2005-10-13 | Nidec Copal Corp | 撮像レンズ |
JP4518836B2 (ja) | 2004-05-14 | 2010-08-04 | Hoya株式会社 | 撮像レンズ系 |
JP2007298719A (ja) | 2006-04-28 | 2007-11-15 | Nippon Zeon Co Ltd | 撮像レンズ |
-
2008
- 2008-12-24 JP JP2008327648A patent/JP5227780B2/ja active Active
-
2009
- 2009-12-21 CN CN200980157687.7A patent/CN102369469B/zh active Active
- 2009-12-21 WO PCT/JP2009/071224 patent/WO2010074020A1/ja active Application Filing
-
2011
- 2011-06-24 US US13/168,430 patent/US8824065B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1073760A (ja) * | 1996-07-02 | 1998-03-17 | Olympus Optical Co Ltd | 回折型光学素子を有するレンズ系 |
JPH1090596A (ja) * | 1996-09-13 | 1998-04-10 | Matsushita Electric Ind Co Ltd | グレーティング素子付光学系およびこれを用いた撮像装置 |
JPH10213739A (ja) * | 1997-01-29 | 1998-08-11 | Konica Corp | 撮影レンズ |
JPH11352397A (ja) * | 1999-06-04 | 1999-12-24 | Matsushita Electric Ind Co Ltd | グレ―ティング素子付光学系およびこれを用いた撮像装置 |
JP2000028913A (ja) * | 1999-06-04 | 2000-01-28 | Matsushita Electric Ind Co Ltd | グレ―ティング素子付光学系およびこれを用いた撮像装置 |
JP2006079059A (ja) * | 2004-09-08 | 2006-03-23 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 小型撮像レンズシステム |
JP2008216470A (ja) * | 2007-03-01 | 2008-09-18 | Hitachi Maxell Ltd | 撮像用対物レンズ、撮像モジュール、及び撮像用対物レンズの設計方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011081253A (ja) * | 2009-10-08 | 2011-04-21 | Sharp Corp | 撮像レンズ、撮像モジュール、撮像レンズの製造方法、および、撮像モジュールの製造方法 |
KR20180031891A (ko) * | 2016-09-20 | 2018-03-29 | 주식회사 소모에너지엔테크놀러지 | 수평화각 90도의 장파장 적외선 카메라 및 카메라용 렌즈 |
WO2018056682A1 (ko) * | 2016-09-20 | 2018-03-29 | 주식회사 소모에너지엔테크놀러지 | 수평화각 90도의 장파장 적외선 카메라 및 카메라용 렌즈 |
KR101887143B1 (ko) | 2016-09-20 | 2018-09-11 | 주식회사 소모에너지엔테크놀러지 | 수평화각 90도의 장파장 적외선 카메라 및 카메라용 렌즈 |
KR102134298B1 (ko) * | 2019-01-17 | 2020-07-16 | 주식회사 소모아이알 | 수평화각 120도의 장파장 적외선 카메라 및 카메라용 렌즈 |
Also Published As
Publication number | Publication date |
---|---|
CN102369469A (zh) | 2012-03-07 |
WO2010074020A1 (ja) | 2010-07-01 |
JP5227780B2 (ja) | 2013-07-03 |
US20110255177A1 (en) | 2011-10-20 |
CN102369469B (zh) | 2014-07-30 |
US8824065B2 (en) | 2014-09-02 |
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