JP3720767B2 - ズームレンズ及びそれを有する光学機器 - Google Patents

ズームレンズ及びそれを有する光学機器 Download PDF

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Publication number
JP3720767B2
JP3720767B2 JP2002016944A JP2002016944A JP3720767B2 JP 3720767 B2 JP3720767 B2 JP 3720767B2 JP 2002016944 A JP2002016944 A JP 2002016944A JP 2002016944 A JP2002016944 A JP 2002016944A JP 3720767 B2 JP3720767 B2 JP 3720767B2
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JP
Japan
Prior art keywords
lens
diffractive optical
zoom lens
lens group
zoom
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 - Lifetime
Application number
JP2002016944A
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English (en)
Japanese (ja)
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JP2003215456A5 (enExample
JP2003215456A (ja
Inventor
博之 浜野
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 JP2002016944A priority Critical patent/JP3720767B2/ja
Priority to US10/351,570 priority patent/US6763186B2/en
Publication of JP2003215456A publication Critical patent/JP2003215456A/ja
Publication of JP2003215456A5 publication Critical patent/JP2003215456A5/ja
Application granted granted Critical
Publication of JP3720767B2 publication Critical patent/JP3720767B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G02B15/144—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 +-++

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
  • Studio Devices (AREA)
JP2002016944A 2002-01-25 2002-01-25 ズームレンズ及びそれを有する光学機器 Expired - Lifetime JP3720767B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002016944A JP3720767B2 (ja) 2002-01-25 2002-01-25 ズームレンズ及びそれを有する光学機器
US10/351,570 US6763186B2 (en) 2002-01-25 2003-01-24 Zoom lens, and camera incorporating such zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002016944A JP3720767B2 (ja) 2002-01-25 2002-01-25 ズームレンズ及びそれを有する光学機器

Publications (3)

Publication Number Publication Date
JP2003215456A JP2003215456A (ja) 2003-07-30
JP2003215456A5 JP2003215456A5 (enExample) 2005-04-07
JP3720767B2 true JP3720767B2 (ja) 2005-11-30

Family

ID=27652815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002016944A Expired - Lifetime JP3720767B2 (ja) 2002-01-25 2002-01-25 ズームレンズ及びそれを有する光学機器

Country Status (1)

Country Link
JP (1) JP3720767B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020019705A1 (zh) * 2018-07-26 2020-01-30 华为技术有限公司 摄像镜头、摄像模组及终端

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5025232B2 (ja) * 2006-11-20 2012-09-12 オリンパスイメージング株式会社 変倍光学系を用いた撮像装置
JP5202076B2 (ja) * 2008-04-08 2013-06-05 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
JP5393278B2 (ja) * 2009-06-16 2014-01-22 オリンパスイメージング株式会社 ズームレンズ及びそれを備えた撮像装置
JP2012078397A (ja) * 2010-09-30 2012-04-19 Canon Inc 回折格子を含む光学系および光学機器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020019705A1 (zh) * 2018-07-26 2020-01-30 华为技术有限公司 摄像镜头、摄像模组及终端
US12124051B2 (en) 2018-07-26 2024-10-22 Huawei Technologies Co., Ltd. Multi-lens camera lens, camera module, and terminal including a lens providing a diffractive surface concave to the image side plane

Also Published As

Publication number Publication date
JP2003215456A (ja) 2003-07-30

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