KR100738382B1 - 촬상렌즈 유닛 - Google Patents
촬상렌즈 유닛 Download PDFInfo
- Publication number
- KR100738382B1 KR100738382B1 KR1020060006171A KR20060006171A KR100738382B1 KR 100738382 B1 KR100738382 B1 KR 100738382B1 KR 1020060006171 A KR1020060006171 A KR 1020060006171A KR 20060006171 A KR20060006171 A KR 20060006171A KR 100738382 B1 KR100738382 B1 KR 100738382B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- surface formed
- image
- refractive power
- disposed
- 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.)
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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 -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
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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
- G02B1/04—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
- 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
- G02B13/0035—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 three lenses
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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
- G02B13/001—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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
Claims (4)
- 피사체측에 배치되고, 포지티브 굴절력을 갖고, 피사체측으로 형성된 볼록면과 화상측으로 형성된 오목면을 구비한 제1 렌즈;상기 제1 렌즈로부터 소정 간격 이격되어 배치되고, 광학계에 입사되는 불필요한 입사광을 방지하는 개구조리개;상기 개구조리개로부터 소정 간격 이격되어 배치되고, 네가티브 굴절력을 갖고, 피사체측으로 형성된 오목면과 화상측으로 형성된 볼록면을 구비한 제2 렌즈;상기 제2 렌즈로부터 소정 간격 이격되어 배치되고, 네가티브 굴절력을 갖고, 피사체측으로 형성된 볼록면과 화상측으로 형성된 오목면을 구비한 제3 렌즈; 및상기 제3 렌즈로부터 소정 간격 이격되어 배치되고, 광학계로 입사되는 적외선 파장을 필터링하는 적외선 차단 필터;를 포함하여 이루어지고, 상기 촬상렌즈 유닛은, 상기 제3 렌즈의 오목면 중심으로부터 화상면까지의 거리를 BFL이라 하고, 상기 제1 렌즈의 볼록면 중심으로부터 화상면까지의 거리를 TTL이라 할 때,의 관계를 만족하도록 배열되는 것을 특징으로 하는 촬상렌즈 유닛.
- 삭제
- 제1항에 있어서,상기 제1 렌즈는 적어도 한면이 비구면인 글라스 렌즈인 것을 특징으로 하는 촬상렌즈 유닛.
- 제3항에 있어서,상기 제2 렌즈 및 제3 렌즈는 플라스틱 또는 글라스 렌즈인 것을 특징으로 하는 촬상렌즈 유닛.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060006171A KR100738382B1 (ko) | 2006-01-20 | 2006-01-20 | 촬상렌즈 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060006171A KR100738382B1 (ko) | 2006-01-20 | 2006-01-20 | 촬상렌즈 유닛 |
Publications (1)
Publication Number | Publication Date |
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KR100738382B1 true KR100738382B1 (ko) | 2007-07-12 |
Family
ID=38504023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060006171A Active KR100738382B1 (ko) | 2006-01-20 | 2006-01-20 | 촬상렌즈 유닛 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100738382B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3567327B2 (ja) | 2002-05-08 | 2004-09-22 | 富士写真光機株式会社 | 撮像レンズ |
JP2005345713A (ja) | 2004-06-02 | 2005-12-15 | Milestone Kk | 撮像レンズ |
JP2005352317A (ja) | 2004-06-11 | 2005-12-22 | Sony Corp | 撮像レンズ及び撮像装置 |
-
2006
- 2006-01-20 KR KR1020060006171A patent/KR100738382B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3567327B2 (ja) | 2002-05-08 | 2004-09-22 | 富士写真光機株式会社 | 撮像レンズ |
JP2005345713A (ja) | 2004-06-02 | 2005-12-15 | Milestone Kk | 撮像レンズ |
JP2005352317A (ja) | 2004-06-11 | 2005-12-22 | Sony Corp | 撮像レンズ及び撮像装置 |
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