CN111624749B - 转换器镜头、可互换镜头和图像拍摄装置 - Google Patents

转换器镜头、可互换镜头和图像拍摄装置 Download PDF

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Publication number
CN111624749B
CN111624749B CN202010122238.7A CN202010122238A CN111624749B CN 111624749 B CN111624749 B CN 111624749B CN 202010122238 A CN202010122238 A CN 202010122238A CN 111624749 B CN111624749 B CN 111624749B
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China
Prior art keywords
lens
converter
converter lens
refractive power
closest
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CN202010122238.7A
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Chinese (zh)
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CN111624749A (zh
Inventor
江部裕基
斋藤慎一郎
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to CN202210816649.5A priority Critical patent/CN114967080B/zh
Priority to CN202210816884.2A priority patent/CN114967081B/zh
Publication of CN111624749A publication Critical patent/CN111624749A/zh
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • 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
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
CN202010122238.7A 2019-02-27 2020-02-27 转换器镜头、可互换镜头和图像拍摄装置 Active CN111624749B (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210816649.5A CN114967080B (zh) 2019-02-27 2020-02-27 转换器镜头、可互换镜头和图像拍摄装置
CN202210816884.2A CN114967081B (zh) 2019-02-27 2020-02-27 转换器镜头、可互换镜头和图像拍摄装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2019-034283 2019-02-27
JP2019034283 2019-02-27
JP2019-210887 2019-11-21
JP2019210887A JP7208130B2 (ja) 2019-02-27 2019-11-21 コンバーターレンズ、交換レンズ、及び撮像装置

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN202210816649.5A Division CN114967080B (zh) 2019-02-27 2020-02-27 转换器镜头、可互换镜头和图像拍摄装置
CN202210816884.2A Division CN114967081B (zh) 2019-02-27 2020-02-27 转换器镜头、可互换镜头和图像拍摄装置

Publications (2)

Publication Number Publication Date
CN111624749A CN111624749A (zh) 2020-09-04
CN111624749B true CN111624749B (zh) 2022-07-29

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CN202010122238.7A Active CN111624749B (zh) 2019-02-27 2020-02-27 转换器镜头、可互换镜头和图像拍摄装置

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JP (1) JP7208130B2 (ja)
CN (1) CN111624749B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7195608B2 (ja) * 2019-04-09 2022-12-26 株式会社シグマ リアコンバージョンレンズ
JP7387398B2 (ja) 2019-11-14 2023-11-28 キヤノン株式会社 コンバーターレンズ、交換レンズ、及び撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2312341B1 (en) * 2009-10-06 2019-05-29 Canon Kabushiki Kaisha Rear attachment lens and imaging optical system including the same
JP5904011B2 (ja) 2012-05-30 2016-04-13 株式会社ニコン リアコンバーターレンズ、光学機器、およびリアコンバーターレンズの製造方法
JP2016177042A (ja) * 2015-03-19 2016-10-06 オリンパス株式会社 コンバーターレンズ装置及びそれを備えた撮影システム
WO2017134928A1 (ja) 2016-02-01 2017-08-10 ソニー株式会社 テレコンバータレンズおよび光学機器

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JP7208130B2 (ja) 2023-01-18
JP2020140197A (ja) 2020-09-03
CN111624749A (zh) 2020-09-04

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