JP6622486B2 - 撮像光学系及びそれを有する撮像装置 - Google Patents

撮像光学系及びそれを有する撮像装置 Download PDF

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Publication number
JP6622486B2
JP6622486B2 JP2015103559A JP2015103559A JP6622486B2 JP 6622486 B2 JP6622486 B2 JP 6622486B2 JP 2015103559 A JP2015103559 A JP 2015103559A JP 2015103559 A JP2015103559 A JP 2015103559A JP 6622486 B2 JP6622486 B2 JP 6622486B2
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JP
Japan
Prior art keywords
lens
optical system
group
imaging optical
focal length
Prior art date
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Application number
JP2015103559A
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English (en)
Japanese (ja)
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JP2016218276A (ja
JP2016218276A5 (enExample
Inventor
薫 江口
薫 江口
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
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2015103559A priority Critical patent/JP6622486B2/ja
Priority to US15/154,815 priority patent/US10168510B2/en
Publication of JP2016218276A publication Critical patent/JP2016218276A/ja
Publication of JP2016218276A5 publication Critical patent/JP2016218276A5/ja
Application granted granted Critical
Publication of JP6622486B2 publication Critical patent/JP6622486B2/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
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • 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
    • 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
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • 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
    • 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 + - +
    • G02B9/24—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 + - + two of the components having compound lenses
    • G02B9/26—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 + - + two of the components having compound lenses the front and rear components having compound lenses
    • 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
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Adjustment Of Camera Lenses (AREA)
JP2015103559A 2015-05-21 2015-05-21 撮像光学系及びそれを有する撮像装置 Active JP6622486B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015103559A JP6622486B2 (ja) 2015-05-21 2015-05-21 撮像光学系及びそれを有する撮像装置
US15/154,815 US10168510B2 (en) 2015-05-21 2016-05-13 Imaging optical system having specified relationship between focal length, abbe number, and partial dispersion ratio, and imaging apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015103559A JP6622486B2 (ja) 2015-05-21 2015-05-21 撮像光学系及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2016218276A JP2016218276A (ja) 2016-12-22
JP2016218276A5 JP2016218276A5 (enExample) 2018-06-28
JP6622486B2 true JP6622486B2 (ja) 2019-12-18

Family

ID=57325358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015103559A Active JP6622486B2 (ja) 2015-05-21 2015-05-21 撮像光学系及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US10168510B2 (enExample)
JP (1) JP6622486B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110418993B (zh) * 2017-03-28 2021-12-07 株式会社尼康 光学系统以及光学设备
JP6921617B2 (ja) * 2017-05-10 2021-08-18 キヤノン株式会社 撮像光学系及びそれを有する撮像装置
JP6615159B2 (ja) 2017-08-07 2019-12-04 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6615160B2 (ja) 2017-08-07 2019-12-04 キヤノン株式会社 光学系及びそれを有する撮像装置
JP7043439B2 (ja) 2019-02-12 2022-03-29 富士フイルム株式会社 撮像レンズおよび撮像装置
JP7566805B2 (ja) 2022-01-24 2024-10-15 キヤノン株式会社 光学系及びそれを有する撮像装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3541283B2 (ja) 1995-05-26 2004-07-07 株式会社ニコン 内焦式望遠レンズ
JP3646295B2 (ja) 1995-11-24 2005-05-11 株式会社ニコン 内焦式望遠レンズ
JP5366673B2 (ja) * 2009-06-17 2013-12-11 キヤノン株式会社 光学系及びそれを有する光学機器
JP2011123334A (ja) * 2009-12-11 2011-06-23 Canon Inc リアアタッチメントレンズ及びそれを有する撮影光学系
US9001441B2 (en) * 2010-04-28 2015-04-07 Nikon Corporation Imaging lens, optical apparatus equipped therewith, and method for manufacturing imaging lens
JP5726004B2 (ja) * 2011-07-21 2015-05-27 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
JP5822649B2 (ja) * 2011-10-24 2015-11-24 キヤノン株式会社 光学系および撮像装置
JP5639625B2 (ja) * 2012-09-14 2014-12-10 キヤノン株式会社 撮像光学系及びそれを有する撮像装置
JP6112936B2 (ja) * 2013-03-29 2017-04-12 キヤノン株式会社 光学系および光学機器
KR20160029591A (ko) * 2014-09-05 2016-03-15 삼성전자주식회사 이너 포커스식 망원 렌즈계 및 이를 포함한 촬영 장치

Also Published As

Publication number Publication date
JP2016218276A (ja) 2016-12-22
US10168510B2 (en) 2019-01-01
US20160341958A1 (en) 2016-11-24

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