JP5713763B2 - 光学系及びそれを有する光学機器 - Google Patents

光学系及びそれを有する光学機器 Download PDF

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Publication number
JP5713763B2
JP5713763B2 JP2011082795A JP2011082795A JP5713763B2 JP 5713763 B2 JP5713763 B2 JP 5713763B2 JP 2011082795 A JP2011082795 A JP 2011082795A JP 2011082795 A JP2011082795 A JP 2011082795A JP 5713763 B2 JP5713763 B2 JP 5713763B2
Authority
JP
Japan
Prior art keywords
lens
negative
sum
lens group
negative lens
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.)
Expired - Fee Related
Application number
JP2011082795A
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English (en)
Japanese (ja)
Other versions
JP2012220527A5 (enExample
JP2012220527A (ja
Inventor
薫 江口
薫 江口
法人 日浅
法人 日浅
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 JP2011082795A priority Critical patent/JP5713763B2/ja
Priority to CN201210088502.5A priority patent/CN102736231B/zh
Priority to US13/436,244 priority patent/US8462440B2/en
Publication of JP2012220527A publication Critical patent/JP2012220527A/ja
Publication of JP2012220527A5 publication Critical patent/JP2012220527A5/ja
Application granted granted Critical
Publication of JP5713763B2 publication Critical patent/JP5713763B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B15/145—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 five groups only
    • G02B15/1455—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 five groups only the first group being negative
    • G02B15/145531—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 five 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
    • G02B15/143—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 -++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2011082795A 2011-04-04 2011-04-04 光学系及びそれを有する光学機器 Expired - Fee Related JP5713763B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011082795A JP5713763B2 (ja) 2011-04-04 2011-04-04 光学系及びそれを有する光学機器
CN201210088502.5A CN102736231B (zh) 2011-04-04 2012-03-29 光学系统和具有该光学系统的光学设备
US13/436,244 US8462440B2 (en) 2011-04-04 2012-03-30 Optical system and optical apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011082795A JP5713763B2 (ja) 2011-04-04 2011-04-04 光学系及びそれを有する光学機器

Publications (3)

Publication Number Publication Date
JP2012220527A JP2012220527A (ja) 2012-11-12
JP2012220527A5 JP2012220527A5 (enExample) 2014-05-15
JP5713763B2 true JP5713763B2 (ja) 2015-05-07

Family

ID=46926945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011082795A Expired - Fee Related JP5713763B2 (ja) 2011-04-04 2011-04-04 光学系及びそれを有する光学機器

Country Status (3)

Country Link
US (1) US8462440B2 (enExample)
JP (1) JP5713763B2 (enExample)
CN (1) CN102736231B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6210686B2 (ja) * 2013-01-08 2017-10-11 キヤノン株式会社 光学系及びそれを有する画像投射装置
JP6331286B2 (ja) * 2013-08-14 2018-05-30 株式会社ニコン 撮影レンズ、及び光学機器
WO2015178095A1 (ja) 2014-05-19 2015-11-26 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
JP6518039B2 (ja) * 2014-05-19 2019-05-22 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
JP6413392B2 (ja) * 2014-06-30 2018-10-31 株式会社シグマ 光学系
KR102264992B1 (ko) 2014-12-31 2021-06-15 삼성전자 주식회사 무선 통신 시스템에서 서버 할당 방법 및 장치
JP6460934B2 (ja) * 2015-07-22 2019-01-30 富士フイルム株式会社 撮像レンズおよび撮像装置
JP2018054989A (ja) 2016-09-30 2018-04-05 キヤノン株式会社 光学系およびそれを有する光学機器
JP6808428B2 (ja) 2016-09-30 2021-01-06 キヤノン株式会社 光学系およびそれを有する光学機器
JP6818488B2 (ja) * 2016-09-30 2021-01-20 キヤノン株式会社 コンバージョンレンズおよびそれを有する撮影光学系、光学機器
JP6685942B2 (ja) * 2017-01-20 2020-04-22 富士フイルム株式会社 撮像レンズおよび撮像装置
JP6820878B2 (ja) 2018-03-29 2021-01-27 富士フイルム株式会社 ズームレンズ及び撮像装置
JP7151383B2 (ja) * 2018-11-01 2022-10-12 株式会社リコー 結像レンズおよび撮像装置
JP7621096B2 (ja) * 2020-11-20 2025-01-24 株式会社タムロン 光学系及び撮像装置
CN114114613B (zh) * 2021-11-01 2023-08-29 湖南长步道光学科技有限公司 一种超低畸变光学系统及工业镜头
CN118050878B (zh) * 2024-04-15 2024-06-18 四川新视创伟超高清科技有限公司 一种超高清定焦镜头及成像装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002131640A (ja) * 2000-10-27 2002-05-09 Nidec Copal Corp ズームレンズ
DE10215434B4 (de) * 2002-04-08 2015-01-15 Carl Zeiss Objektiv und Objektivserie
JP4233081B2 (ja) 2002-06-14 2009-03-04 フジノン株式会社 投映用ズームレンズおよびこれを用いた投写型表示装置
JP4898399B2 (ja) 2006-11-22 2012-03-14 キヤノン株式会社 光学系及びそれを有する撮像装置
JP5053680B2 (ja) * 2007-03-29 2012-10-17 キヤノン株式会社 画像投射光学系及び画像投射装置
JP5349938B2 (ja) * 2008-12-11 2013-11-20 キヤノン株式会社 ズームレンズ
JP5455403B2 (ja) * 2009-03-18 2014-03-26 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

Also Published As

Publication number Publication date
US8462440B2 (en) 2013-06-11
CN102736231B (zh) 2015-02-11
CN102736231A (zh) 2012-10-17
JP2012220527A (ja) 2012-11-12
US20120250168A1 (en) 2012-10-04

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