JP3862117B2 - 温度変化補正機能付ズームレンズ - Google Patents

温度変化補正機能付ズームレンズ Download PDF

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Publication number
JP3862117B2
JP3862117B2 JP33941797A JP33941797A JP3862117B2 JP 3862117 B2 JP3862117 B2 JP 3862117B2 JP 33941797 A JP33941797 A JP 33941797A JP 33941797 A JP33941797 A JP 33941797A JP 3862117 B2 JP3862117 B2 JP 3862117B2
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JP
Japan
Prior art keywords
lens
group
ext
refractive power
conversion
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
JP33941797A
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English (en)
Japanese (ja)
Other versions
JPH11160618A (ja
JPH11160618A5 (enExample
Inventor
和雄 吉川
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.)
Fujinon Corp
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Fujinon Corp
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 Fujinon Corp filed Critical Fujinon Corp
Priority to JP33941797A priority Critical patent/JP3862117B2/ja
Priority to US09/199,060 priority patent/US6104546A/en
Publication of JPH11160618A publication Critical patent/JPH11160618A/ja
Publication of JPH11160618A5 publication Critical patent/JPH11160618A5/ja
Application granted granted Critical
Publication of JP3862117B2 publication Critical patent/JP3862117B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—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)
JP33941797A 1997-11-25 1997-11-25 温度変化補正機能付ズームレンズ Expired - Fee Related JP3862117B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP33941797A JP3862117B2 (ja) 1997-11-25 1997-11-25 温度変化補正機能付ズームレンズ
US09/199,060 US6104546A (en) 1997-11-25 1998-11-24 Athermalized focal length extender for a zoom lens having a split rear image-forming group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33941797A JP3862117B2 (ja) 1997-11-25 1997-11-25 温度変化補正機能付ズームレンズ

Publications (3)

Publication Number Publication Date
JPH11160618A JPH11160618A (ja) 1999-06-18
JPH11160618A5 JPH11160618A5 (enExample) 2005-07-14
JP3862117B2 true JP3862117B2 (ja) 2006-12-27

Family

ID=18327285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33941797A Expired - Fee Related JP3862117B2 (ja) 1997-11-25 1997-11-25 温度変化補正機能付ズームレンズ

Country Status (2)

Country Link
US (1) US6104546A (enExample)
JP (1) JP3862117B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10757317B2 (en) 2018-06-29 2020-08-25 Fujifilm Corporation Zoom lens, extender lens, and imaging apparatus

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4221670B2 (ja) * 2004-09-30 2009-02-12 ソニー株式会社 ズームレンズ及び撮像装置
CN100555016C (zh) * 2005-09-09 2009-10-28 鸿富锦精密工业（深圳）有限公司 数码相机镜头及应用该镜头的数码相机模组
US8274743B2 (en) * 2010-04-08 2012-09-25 Scaggs Michael J Thermally compensating lens for high power lasers
TWI536063B (zh) * 2012-06-29 2016-06-01 鴻海精密工業股份有限公司 鏡頭模組
DE102012108214B4 (de) * 2012-09-04 2014-04-30 Highyag Lasertechnologie Gmbh Optik mit stabilisierter Fokuslage für Hochleistungslaser
DE112013006876B4 (de) 2013-03-27 2018-01-25 Fujifilm Corporation Abbildungsobjektiv und Abbildungsvorrichtung
CN109975927B (zh) * 2019-04-30 2021-06-22 中国科学院福建物质结构研究所 无热化宽波段激光聚焦系统及光纤激光耦合器
JP7379017B2 (ja) * 2019-08-20 2023-11-14 キヤノン株式会社 エクステンダレンズ群、ズームレンズ、および撮像装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453218A (en) * 1946-03-05 1948-11-09 Polaroid Corp Image forming optical lens system athermalized for focal point
JPS59211013A (ja) * 1983-05-16 1984-11-29 Fuji Photo Optical Co Ltd 温度補償を施したプラスチツク対物レンズ系
JPH08201697A (ja) * 1994-10-13 1996-08-09 Fuji Photo Optical Co Ltd ズームレンズ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10757317B2 (en) 2018-06-29 2020-08-25 Fujifilm Corporation Zoom lens, extender lens, and imaging apparatus

Also Published As

Publication number Publication date
JPH11160618A (ja) 1999-06-18
US6104546A (en) 2000-08-15

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