JP4447953B2 - アナモフィックコンバーター及びレンズ装置 - Google Patents

アナモフィックコンバーター及びレンズ装置 Download PDF

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Publication number
JP4447953B2
JP4447953B2 JP2004116800A JP2004116800A JP4447953B2 JP 4447953 B2 JP4447953 B2 JP 4447953B2 JP 2004116800 A JP2004116800 A JP 2004116800A JP 2004116800 A JP2004116800 A JP 2004116800A JP 4447953 B2 JP4447953 B2 JP 4447953B2
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JP
Japan
Prior art keywords
group
anamorphic
anamorphic converter
optical system
imaging
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Expired - Fee Related
Application number
JP2004116800A
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English (en)
Japanese (ja)
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JP2005300902A5 (enExample
JP2005300902A (ja
Inventor
塗師　　隆治
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
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004116800A priority Critical patent/JP4447953B2/ja
Publication of JP2005300902A publication Critical patent/JP2005300902A/ja
Publication of JP2005300902A5 publication Critical patent/JP2005300902A5/ja
Application granted granted Critical
Publication of JP4447953B2 publication Critical patent/JP4447953B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B13/08—Anamorphotic objectives
    • G02B13/12—Anamorphotic objectives with variable magnification
    • 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
    • G02B15/1451—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 positive
    • G02B15/145125—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 positive arranged +--++

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2004116800A 2004-04-12 2004-04-12 アナモフィックコンバーター及びレンズ装置 Expired - Fee Related JP4447953B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004116800A JP4447953B2 (ja) 2004-04-12 2004-04-12 アナモフィックコンバーター及びレンズ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004116800A JP4447953B2 (ja) 2004-04-12 2004-04-12 アナモフィックコンバーター及びレンズ装置

Publications (3)

Publication Number Publication Date
JP2005300902A JP2005300902A (ja) 2005-10-27
JP2005300902A5 JP2005300902A5 (enExample) 2007-05-10
JP4447953B2 true JP4447953B2 (ja) 2010-04-07

Family

ID=35332514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004116800A Expired - Fee Related JP4447953B2 (ja) 2004-04-12 2004-04-12 アナモフィックコンバーター及びレンズ装置

Country Status (1)

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JP (1) JP4447953B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111386497A (zh) * 2017-07-05 2020-07-07 派纳维景国际股份有限公司 用于数字成像器的变形摄影和压缩比

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4790399B2 (ja) 2005-12-09 2011-10-12 コニカミノルタオプト株式会社 超広角撮像光学系、超広角撮像レンズ装置及び撮像装置
JP5725972B2 (ja) * 2011-05-24 2015-05-27 キヤノン株式会社 アダプタ光学系及びそれを有する撮像装置
US10551598B2 (en) * 2016-01-06 2020-02-04 Panavision International, L.P. Anamorphic photography for digital imagers
CN111025586B (zh) * 2019-12-28 2021-10-26 诚瑞光学(常州)股份有限公司 摄像光学镜头
CN118244464B (zh) * 2024-05-20 2024-07-19 珠海市川富光学技术有限公司 一种长焦短法兰视频镜头

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111386497A (zh) * 2017-07-05 2020-07-07 派纳维景国际股份有限公司 用于数字成像器的变形摄影和压缩比

Also Published As

Publication number Publication date
JP2005300902A (ja) 2005-10-27

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