HK1001785A1 - Catadioptric zoom lens - Google Patents

Catadioptric zoom lens

Info

Publication number
HK1001785A1
HK1001785A1 HK98100853A HK98100853A HK1001785A1 HK 1001785 A1 HK1001785 A1 HK 1001785A1 HK 98100853 A HK98100853 A HK 98100853A HK 98100853 A HK98100853 A HK 98100853A HK 1001785 A1 HK1001785 A1 HK 1001785A1
Authority
HK
Hong Kong
Prior art keywords
zoom lens
catadioptric zoom
catadioptric
lens
zoom
Prior art date
Application number
HK98100853A
Other languages
English (en)
Inventor
Takeshi Akiyama
Norihiro Nanba
Original Assignee
Canon Kk
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
Priority claimed from JP05427696A external-priority patent/JP4065461B2/ja
Priority claimed from JP8197061A external-priority patent/JPH1020196A/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of HK1001785A1 publication Critical patent/HK1001785A1/xx

Links

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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • 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
    • G02B15/142—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 two groups only
    • G02B15/1421—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 two groups only the first group being positive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0836—Catadioptric systems using more than three curved mirrors
    • G02B17/0848—Catadioptric systems using more than three curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0896—Catadioptric systems with variable magnification or multiple imaging planes, including multispectral systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Lenses (AREA)
HK98100853A 1996-02-15 1998-02-05 Catadioptric zoom lens HK1001785A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP05427696A JP4065461B2 (ja) 1996-02-15 1996-02-15 ズーム光学系及びそれを用いた撮像装置
JP8197061A JPH1020196A (ja) 1996-07-08 1996-07-08 変倍光学系及びそれを用いた撮像装置

Publications (1)

Publication Number Publication Date
HK1001785A1 true HK1001785A1 (en) 1998-07-10

Family

ID=26395024

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100853A HK1001785A1 (en) 1996-02-15 1998-02-05 Catadioptric zoom lens

Country Status (4)

Country Link
US (2) US6522475B2 (xx)
EP (1) EP0790513B1 (xx)
DE (1) DE69728804T2 (xx)
HK (1) HK1001785A1 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014083956A1 (ja) * 2012-11-29 2014-06-05 株式会社ニコン 反射撮影レンズ

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JPH1164734A (ja) 1997-08-22 1999-03-05 Canon Inc 撮影光学系及びそれを用いた撮像装置
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JP4371634B2 (ja) * 2002-07-11 2009-11-25 キヤノン株式会社 結像光学系及びそれを用いた画像読取装置
US6984044B2 (en) * 2002-07-30 2006-01-10 Canon Kabushiki Kaisha Projection optical system, projection type image display apparatus, and image display system
JP2004061961A (ja) * 2002-07-30 2004-02-26 Canon Inc 投射光学系、投射型画像表示装置および画像表示システム
US6989936B2 (en) * 2003-03-07 2006-01-24 Canon Kabushiki Kaisha Variable power optical system
JP2005062803A (ja) * 2003-07-31 2005-03-10 Olympus Corp 撮像光学系及びそれを用いた光学装置
JP4641374B2 (ja) * 2003-10-14 2011-03-02 キヤノン株式会社 投射光学系およびそれを用いた投射型表示装置
JP4594008B2 (ja) * 2004-09-08 2010-12-08 キヤノン株式会社 ズーム光学系
JP2006078701A (ja) * 2004-09-08 2006-03-23 Canon Inc ズーム光学系
JP2006078705A (ja) * 2004-09-08 2006-03-23 Canon Inc ズーム光学系
JP2006078702A (ja) * 2004-09-08 2006-03-23 Canon Inc ズーム光学系
JP2006078703A (ja) * 2004-09-08 2006-03-23 Canon Inc ズーム光学系
US7284385B2 (en) * 2004-09-16 2007-10-23 Hess Spencer W Pre-dried air reactivation for diesel fuel heated dessicant reactivator
JP4689266B2 (ja) * 2004-12-28 2011-05-25 キヤノン株式会社 画像表示装置
US20060214911A1 (en) * 2005-03-23 2006-09-28 Eastman Kodak Company Pointing device for large field of view displays
JP2007017600A (ja) * 2005-07-06 2007-01-25 Konica Minolta Opto Inc 撮像光学系、および撮像光学ユニット
JP4813136B2 (ja) 2005-09-21 2011-11-09 オリンパスイメージング株式会社 ズーム光学系及びそれを備えた撮像装置
WO2007115597A1 (en) 2006-04-07 2007-10-18 Carl Zeiss Smt Ag Microlithography projection optical system, tool and method of production
US20080144171A1 (en) * 2006-12-15 2008-06-19 Nokia Corporation Optical zoom system and devices having same
US8548520B2 (en) * 2007-01-26 2013-10-01 Wi-Lan Inc. Multiple network access system and method
US7764440B2 (en) * 2007-11-27 2010-07-27 Eastman Kodak Company Dual focal length lens system
US7573654B2 (en) * 2007-11-27 2009-08-11 Eastman Kodak Company Dual focal length lens system
US8553217B2 (en) * 2009-06-19 2013-10-08 Kla-Tencor Corporation EUV high throughput inspection system for defect detection on patterned EUV masks, mask blanks, and wafers
JP5567924B2 (ja) * 2010-07-27 2014-08-06 オリンパス株式会社 プリズム光学系、プリズム光学系を用いた画像表示装置及びプリズム光学系を用いた撮像装置
JP5728202B2 (ja) * 2010-11-16 2015-06-03 株式会社サムスン日本研究所 投射光学系および画像投射装置
CN103293675A (zh) 2012-02-24 2013-09-11 精工爱普生株式会社 虚像显示装置
JP6111635B2 (ja) * 2012-02-24 2017-04-12 セイコーエプソン株式会社 虚像表示装置
KR20160091085A (ko) * 2015-01-23 2016-08-02 삼성전자주식회사 반사 굴절 광학계 및 이미지 촬영 장치
EP3687156B1 (en) 2015-07-10 2022-03-16 SZ DJI Technology Co., Ltd. Dual lens system having a light splitter
JP7340789B2 (ja) * 2019-05-29 2023-09-08 パナソニックＩｐマネジメント株式会社 光学系、画像投写装置および撮像装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014083956A1 (ja) * 2012-11-29 2014-06-05 株式会社ニコン 反射撮影レンズ

Also Published As

Publication number Publication date
EP0790513B1 (en) 2004-04-28
US6728044B2 (en) 2004-04-27
DE69728804D1 (de) 2004-06-03
US20030007255A1 (en) 2003-01-09
US6522475B2 (en) 2003-02-18
US20030137742A1 (en) 2003-07-24
EP0790513A3 (en) 1998-11-04
DE69728804T2 (de) 2005-04-21
EP0790513A2 (en) 1997-08-20

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150214