WO2008093438A1 - 撮影レンズおよびカメラ - Google Patents

撮影レンズおよびカメラ Download PDF

Info

Publication number
WO2008093438A1
WO2008093438A1 PCT/JP2007/063781 JP2007063781W WO2008093438A1 WO 2008093438 A1 WO2008093438 A1 WO 2008093438A1 JP 2007063781 W JP2007063781 W JP 2007063781W WO 2008093438 A1 WO2008093438 A1 WO 2008093438A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
object side
directed toward
convex surface
photographing lens
Prior art date
Application number
PCT/JP2007/063781
Other languages
English (en)
French (fr)
Inventor
Toru Matsumoto
Kazuyuki Fujishima
Original Assignee
Yoshikawa Kasei Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yoshikawa Kasei Co., Ltd. filed Critical Yoshikawa Kasei Co., Ltd.
Publication of WO2008093438A1 publication Critical patent/WO2008093438A1/ja

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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
    • G02B13/0035—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
    • 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
    • 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
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

　高画素に対応した小型で廉価な撮影レンズを提供する。 　被写体側から順に、第一レンズ(L1)、開口絞り(S1)、第二レンズ(L2)、第三レンズ(L3)の順に構成される撮影レンズに係る。第一レンズ(L1)は、被写体側に凸面を向けた正のパワーを持ち、被写体側を球面とするとともに、被写体とは反対側である像側を近軸から周辺に掛けて変曲点を持たない非球面とするメニスカスレンズである。第二レンズ(L2)は、像側に凸面を向けた負のパワーを持ち、且つ両面を非球面とするメニスカスレンズである。第三レンズ(L3)は、被写体側に凸面を向けた正のパワーを持ち、且つ両面を非球面とするメニスカスレンズである。
PCT/JP2007/063781 2007-01-30 2007-07-11 撮影レンズおよびカメラ WO2008093438A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-019622 2007-01-30
JP2007019622A JP3980627B1 (ja) 2007-01-30 2007-01-30 撮影レンズおよびカメラ

Publications (1)

Publication Number Publication Date
WO2008093438A1 true WO2008093438A1 (ja) 2008-08-07

Family

ID=38595929

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/063781 WO2008093438A1 (ja) 2007-01-30 2007-07-11 撮影レンズおよびカメラ

Country Status (2)

Country Link
JP (1) JP3980627B1 (ja)
WO (1) WO2008093438A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011085733A (ja) * 2009-10-15 2011-04-28 Hitachi Maxell Ltd 撮像レンズ系
EP2444831A1 (en) * 2010-05-28 2012-04-25 Zhejiang Sunny Optics Co., Ltd. Micro camera lens

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101110180B1 (ko) 2009-11-30 2012-01-31 엘지이노텍 주식회사 촬상 렌즈

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10301022A (ja) * 1997-04-30 1998-11-13 Fuji Photo Optical Co Ltd 結像レンズ
JP2007140006A (ja) * 2005-11-17 2007-06-07 Matsushita Electric Ind Co Ltd 撮影レンズおよび２焦点撮影レンズ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10301022A (ja) * 1997-04-30 1998-11-13 Fuji Photo Optical Co Ltd 結像レンズ
JP2007140006A (ja) * 2005-11-17 2007-06-07 Matsushita Electric Ind Co Ltd 撮影レンズおよび２焦点撮影レンズ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011085733A (ja) * 2009-10-15 2011-04-28 Hitachi Maxell Ltd 撮像レンズ系
EP2444831A1 (en) * 2010-05-28 2012-04-25 Zhejiang Sunny Optics Co., Ltd. Micro camera lens
EP2444831A4 (en) * 2010-05-28 2012-11-28 Zhejiang Sunny Optics Co Ltd MICRO CAMERA LENS

Also Published As

Publication number Publication date
JP2008185811A (ja) 2008-08-14
JP3980627B1 (ja) 2007-09-26

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