SG138457A1 - Variable power finder and imaging apparatus - Google Patents

Variable power finder and imaging apparatus

Info

Publication number
SG138457A1
SG138457A1 SG200403901-2A SG2004039012A SG138457A1 SG 138457 A1 SG138457 A1 SG 138457A1 SG 2004039012 A SG2004039012 A SG 2004039012A SG 138457 A1 SG138457 A1 SG 138457A1
Authority
SG
Singapore
Prior art keywords
imaging apparatus
variable power
power finder
finder
variable
Prior art date
Application number
SG200403901-2A
Other languages
English (en)
Inventor
Masaki Tamura
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of SG138457A1 publication Critical patent/SG138457A1/en

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
    • G02B15/143—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 three groups only
    • G02B15/1435—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 three groups only the first group being negative
    • G02B15/143507—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 three groups only the first group being negative arranged -++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/14—Viewfinders
    • G02B23/145—Zoom viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
  • Viewfinders (AREA)
  • Studio Devices (AREA)
SG200403901-2A 2003-07-18 2004-07-16 Variable power finder and imaging apparatus SG138457A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003276424A JP4210174B2 (ja) 2003-07-18 2003-07-18 変倍ファインダおよび撮像装置

Publications (1)

Publication Number Publication Date
SG138457A1 true SG138457A1 (en) 2008-01-28

Family

ID=33475579

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200403901-2A SG138457A1 (en) 2003-07-18 2004-07-16 Variable power finder and imaging apparatus

Country Status (9)

Country Link
US (3) US7184208B2 (ja)
EP (1) EP1498757B1 (ja)
JP (1) JP4210174B2 (ja)
KR (1) KR20050009679A (ja)
CN (1) CN100472308C (ja)
DE (1) DE602004022740D1 (ja)
MY (1) MY135820A (ja)
SG (1) SG138457A1 (ja)
TW (1) TWI260461B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102385142B (zh) * 2010-09-01 2013-06-05 亚洲光学股份有限公司 潜望式镜头
IT1402500B1 (it) * 2010-09-03 2013-09-13 Pignattelli Apparecchio per riflessione negativa e ingrandimento di oggetti
JP5809168B2 (ja) * 2010-12-20 2015-11-10 富士フイルム株式会社 ビューファインダおよびカメラ
CN104597600B (zh) * 2015-02-28 2016-09-07 青岛奥美克医疗科技有限公司 一种结构紧凑的开普勒光学系统
CN107835953B (zh) 2015-05-15 2021-08-20 垂直光学公司 可佩戴的视觉重定向装置
US9690119B2 (en) 2015-05-15 2017-06-27 Vertical Optics, LLC Wearable vision redirecting devices
IL244255A (en) 2016-02-23 2017-04-30 Vertical Optics Llc Wearable devices for deflecting vision
CN111538150B (zh) * 2020-04-23 2022-03-18 东风汽车集团有限公司 汽车盲区可视化装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095326A (en) * 1988-10-28 1992-03-10 Asahi Kogaku Kogyo K.K. Kepler-type erect image viewfinder and erecting prism
US5231534A (en) * 1991-01-17 1993-07-27 Olympus Optical Co., Ltd. Real image mode variable magnification finder optical system
US5576889A (en) * 1993-12-01 1996-11-19 Minolta Co., Ltd. Real-image zoom finder optical system
US6101030A (en) * 1998-06-03 2000-08-08 Olympus Optical Co., Ltd. Real image mode variable magnification finder
US6282022B1 (en) * 1998-11-17 2001-08-28 Asahi Kogaku Kogyo Kabushiki Kaisha Real-image finder optical system
US20010033428A1 (en) * 2000-03-22 2001-10-25 Kazunori Ohno Real-image-type zoom finder

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US33428A (en) * 1861-10-08 Improved lamp-chimney
US3051046A (en) * 1958-06-16 1962-08-28 Kenneth B Thompson Binoculars and optical system therefor
US4909614A (en) * 1987-11-13 1990-03-20 Canon Kabushiki Kaisha Variable magnification finder
JPH07104543B2 (ja) * 1988-03-15 1995-11-13 株式会社ニコン ケプラー式ファインダー光学系
JP3033141B2 (ja) * 1990-06-22 2000-04-17 ミノルタ株式会社 コンパクトなズームレンズ
US5144480A (en) * 1990-10-22 1992-09-01 Nikon Corporation Keplerian zoom finder optical system
TW259846B (ja) * 1992-09-11 1995-10-11 Canon Kk
JPH07174969A (ja) * 1993-12-17 1995-07-14 Minolta Co Ltd 変倍ファインダー光学系
JPH1138473A (ja) * 1997-07-18 1999-02-12 Olympus Optical Co Ltd 実像式ファインダー
US6052541A (en) * 1997-07-25 2000-04-18 Canon Kabushiki Kaisha Viewfinder optical system and photographing apparatus having the same
US6118585A (en) * 1998-01-06 2000-09-12 Asahi Kogaku Kogyo Kabushiki Kaisha Optical system for observing equipment having image-vibration compensation system
JPH11326789A (ja) 1998-05-18 1999-11-26 Nikon Corp 接眼レンズ
JP2000171717A (ja) * 1998-12-07 2000-06-23 Olympus Optical Co Ltd 結像光学系
DE19921227B4 (de) * 1999-05-07 2012-08-30 Carl Zeiss Jena Gmbh Konvergenztubus
JP2001075023A (ja) * 1999-09-07 2001-03-23 Olympus Optical Co Ltd ファインダ光学系
JP3680693B2 (ja) * 2000-03-21 2005-08-10 コニカミノルタフォトイメージング株式会社 実像式変倍ファインダ
JP2001350090A (ja) 2000-06-05 2001-12-21 Olympus Optical Co Ltd 実像式変倍ファインダー光学系
JP2002131643A (ja) 2000-10-19 2002-05-09 Olympus Optical Co Ltd 実像式変倍ファインダ
JP2002131292A (ja) 2000-10-25 2002-05-09 Chubu Electric Power Co Inc ケーブルの劣化診断方法、劣化診断装置及びその固定治具
JP4751534B2 (ja) * 2001-07-24 2011-08-17 大日本印刷株式会社 光学系及びそれを用いた装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095326A (en) * 1988-10-28 1992-03-10 Asahi Kogaku Kogyo K.K. Kepler-type erect image viewfinder and erecting prism
US5231534A (en) * 1991-01-17 1993-07-27 Olympus Optical Co., Ltd. Real image mode variable magnification finder optical system
US5576889A (en) * 1993-12-01 1996-11-19 Minolta Co., Ltd. Real-image zoom finder optical system
US6101030A (en) * 1998-06-03 2000-08-08 Olympus Optical Co., Ltd. Real image mode variable magnification finder
US6282022B1 (en) * 1998-11-17 2001-08-28 Asahi Kogaku Kogyo Kabushiki Kaisha Real-image finder optical system
US20010033428A1 (en) * 2000-03-22 2001-10-25 Kazunori Ohno Real-image-type zoom finder

Also Published As

Publication number Publication date
US20050041284A1 (en) 2005-02-24
KR20050009679A (ko) 2005-01-25
US7184208B2 (en) 2007-02-27
JP2005037791A (ja) 2005-02-10
US6985289B2 (en) 2006-01-10
TWI260461B (en) 2006-08-21
US20050162735A1 (en) 2005-07-28
CN100472308C (zh) 2009-03-25
MY135820A (en) 2008-07-31
EP1498757A1 (en) 2005-01-19
TW200515082A (en) 2005-05-01
CN1577038A (zh) 2005-02-09
EP1498757B1 (en) 2009-08-26
US6992821B2 (en) 2006-01-31
JP4210174B2 (ja) 2009-01-14
US20050162734A1 (en) 2005-07-28
DE602004022740D1 (de) 2009-10-08

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