JP2013235183A - 光学系及びそれを有する撮像装置 - Google Patents

光学系及びそれを有する撮像装置 Download PDF

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Publication number
JP2013235183A
JP2013235183A JP2012108475A JP2012108475A JP2013235183A JP 2013235183 A JP2013235183 A JP 2013235183A JP 2012108475 A JP2012108475 A JP 2012108475A JP 2012108475 A JP2012108475 A JP 2012108475A JP 2013235183 A JP2013235183 A JP 2013235183A
Authority
JP
Japan
Prior art keywords
aperture
optical system
aperture stop
refractive power
object side
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.)
Pending
Application number
JP2012108475A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013235183A5 (enExample
Inventor
Hideki Sakai
秀樹 酒井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2012108475A priority Critical patent/JP2013235183A/ja
Priority to US13/875,786 priority patent/US8891180B2/en
Publication of JP2013235183A publication Critical patent/JP2013235183A/ja
Publication of JP2013235183A5 publication Critical patent/JP2013235183A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
    • 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
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
    • G02B15/1435—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being negative
    • G02B15/143507—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only the first group being negative arranged -++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
    • G02B15/144113—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +-++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/20—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
  • Diaphragms For Cameras (AREA)
JP2012108475A 2012-05-10 2012-05-10 光学系及びそれを有する撮像装置 Pending JP2013235183A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012108475A JP2013235183A (ja) 2012-05-10 2012-05-10 光学系及びそれを有する撮像装置
US13/875,786 US8891180B2 (en) 2012-05-10 2013-05-02 Optical system, and image pickup apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012108475A JP2013235183A (ja) 2012-05-10 2012-05-10 光学系及びそれを有する撮像装置

Publications (2)

Publication Number Publication Date
JP2013235183A true JP2013235183A (ja) 2013-11-21
JP2013235183A5 JP2013235183A5 (enExample) 2015-07-02

Family

ID=49548329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012108475A Pending JP2013235183A (ja) 2012-05-10 2012-05-10 光学系及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US8891180B2 (enExample)
JP (1) JP2013235183A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101777661B1 (ko) 2016-09-20 2017-09-13 주식회사 소모에너지엔테크놀러지 수평화각 21도의 장파장 적외선 카메라 및 카메라용 렌즈
WO2018056683A1 (ko) * 2016-09-20 2018-03-29 주식회사 소모에너지엔테크놀러지 수평화각 54도의 장파장 적외선 카메라 및 카메라용 렌즈

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6270475B2 (ja) * 2011-07-07 2018-01-31 キヤノン電子株式会社 光量調節装置および光学機器
JP6039332B2 (ja) * 2012-09-21 2016-12-07 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6071396B2 (ja) * 2012-10-04 2017-02-01 キヤノン株式会社 光学機器
JP6425028B2 (ja) * 2015-04-15 2018-11-21 コニカミノルタ株式会社 撮像レンズ、レンズユニット、撮像装置、デジタルスチルカメラ及び携帯端末
EP3343261B1 (en) 2016-12-27 2022-05-18 Canon Kabushiki Kaisha Image pickup optical system, image pickup apparatus having the image pickup optical system, lens apparatus having the image pickup optical system, and image pickup system having the image pickup optical system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10111444A (ja) * 1996-10-07 1998-04-28 Olympus Optical Co Ltd カメラの可変絞り機構付きレンズ鏡枠
JP2001281545A (ja) * 1999-10-06 2001-10-10 Canon Inc ズームレンズ及びそれを用いた光学機器
JP2007500869A (ja) * 2003-08-01 2007-01-18 カール・ツァイス・エスエムティー・アーゲー 少なくとも１つのシステム絞りを備えた光学結像装置
JP2007094074A (ja) * 2005-09-29 2007-04-12 Canon Inc 光量調節装置、レンズ鏡筒および撮像装置
JP2011013257A (ja) * 2009-06-30 2011-01-20 Hoya Corp 可変開口絞機構を備えたズームレンズ鏡筒

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003085440A1 (en) 2002-04-11 2003-10-16 Matsushita Electric Industrial Co., Ltd. Zoom lens and electronic still camera using it
JP2010164606A (ja) 2009-01-13 2010-07-29 Olympus Imaging Corp ズームレンズ及びそれを用いた撮像装置
US7830613B2 (en) 2008-06-20 2010-11-09 Olympus Imaging Corp. Zoom lens and an imaging apparatus incorporating the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10111444A (ja) * 1996-10-07 1998-04-28 Olympus Optical Co Ltd カメラの可変絞り機構付きレンズ鏡枠
JP2001281545A (ja) * 1999-10-06 2001-10-10 Canon Inc ズームレンズ及びそれを用いた光学機器
JP2007500869A (ja) * 2003-08-01 2007-01-18 カール・ツァイス・エスエムティー・アーゲー 少なくとも１つのシステム絞りを備えた光学結像装置
JP2012014180A (ja) * 2003-08-01 2012-01-19 Carl Zeiss Smt Gmbh 少なくとも１つのシステム絞りを備えた光学結像装置
JP2007094074A (ja) * 2005-09-29 2007-04-12 Canon Inc 光量調節装置、レンズ鏡筒および撮像装置
JP2011013257A (ja) * 2009-06-30 2011-01-20 Hoya Corp 可変開口絞機構を備えたズームレンズ鏡筒

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101777661B1 (ko) 2016-09-20 2017-09-13 주식회사 소모에너지엔테크놀러지 수평화각 21도의 장파장 적외선 카메라 및 카메라용 렌즈
WO2018056681A1 (ko) * 2016-09-20 2018-03-29 주식회사 소모에너지엔테크놀러지 수평화각 21도의 장파장 적외선 카메라 및 카메라용 렌즈
WO2018056683A1 (ko) * 2016-09-20 2018-03-29 주식회사 소모에너지엔테크놀러지 수평화각 54도의 장파장 적외선 카메라 및 카메라용 렌즈

Also Published As

Publication number Publication date
US20130300913A1 (en) 2013-11-14
US8891180B2 (en) 2014-11-18

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