KR100878359B1 - 촬상 렌즈 - Google Patents
촬상 렌즈 Download PDFInfo
- Publication number
- KR100878359B1 KR100878359B1 KR1020070009092A KR20070009092A KR100878359B1 KR 100878359 B1 KR100878359 B1 KR 100878359B1 KR 1020070009092 A KR1020070009092 A KR 1020070009092A KR 20070009092 A KR20070009092 A KR 20070009092A KR 100878359 B1 KR100878359 B1 KR 100878359B1
- Authority
- KR
- South Korea
- Prior art keywords
- lens
- shape
- positive power
- plane
- aspherical
- 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
- 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
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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
- G02B13/0095—Relay lenses or rod 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
- G02B13/18—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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
Claims (2)
- 물체측으로부터 순차적으로, 물체측의 면을 볼록면 형상으로 하며, 양면 비구면 형상으로 하며, 정의 파워를 갖는 메니스커스 형상의 제1렌즈;조리개;물체측의 면을 오목면 형상으로 하며, 양면 비구면 형상으로 하며, 정의 파워를 갖는 메니스커스 형상의 제2렌즈;양면을 비구면 형상으로 하며, 정의 파워를 갖으며, 광축에 수직인 직선과 평행한 접선이 적어도 2개 이상 존재하는 제3렌즈를 구비하고,이하의 조건식을 만족하도록 구성되어 있는 것을 특징으로 하는 촬상 렌즈.-0.1 < R31면의 유효경내 SAG값 < 0.1 ㆍㆍㆍ(1)-0.5 < R32면의 유효경내 SAG값 < 0.5 ㆍㆍㆍ(2)단, R31 : 제3 렌즈의 물체측 면R32 : 제3 렌즈의 상측 면
- 제1항에 있어서,상기 제2렌즈는 R22면의 접선 기울기 값에 변곡점이 존재하는 것을 특징으로 하는 촬상 렌즈.단, R22면은 제2렌즈의 상측 면
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070009092A KR100878359B1 (ko) | 2007-01-29 | 2007-01-29 | 촬상 렌즈 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070009092A KR100878359B1 (ko) | 2007-01-29 | 2007-01-29 | 촬상 렌즈 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080071023A KR20080071023A (ko) | 2008-08-01 |
KR100878359B1 true KR100878359B1 (ko) | 2009-01-12 |
Family
ID=39881957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070009092A Active KR100878359B1 (ko) | 2007-01-29 | 2007-01-29 | 촬상 렌즈 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100878359B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004163851A (ja) | 2002-09-27 | 2004-06-10 | Fuji Photo Optical Co Ltd | 3枚構成単焦点レンズ |
JP2005062680A (ja) | 2003-08-19 | 2005-03-10 | Nagano Kogaku Kenkyusho:Kk | 撮像レンズ |
JP2005250513A (ja) | 2002-07-30 | 2005-09-15 | Konica Minolta Opto Inc | 撮像レンズ |
JP2007010773A (ja) | 2005-06-28 | 2007-01-18 | Largan Precision Co Ltd | 撮影レンズ |
-
2007
- 2007-01-29 KR KR1020070009092A patent/KR100878359B1/ko active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005250513A (ja) | 2002-07-30 | 2005-09-15 | Konica Minolta Opto Inc | 撮像レンズ |
JP2004163851A (ja) | 2002-09-27 | 2004-06-10 | Fuji Photo Optical Co Ltd | 3枚構成単焦点レンズ |
JP2005062680A (ja) | 2003-08-19 | 2005-03-10 | Nagano Kogaku Kenkyusho:Kk | 撮像レンズ |
JP2007010773A (ja) | 2005-06-28 | 2007-01-18 | Largan Precision Co Ltd | 撮影レンズ |
Also Published As
Publication number | Publication date |
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KR20080071023A (ko) | 2008-08-01 |
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