FR2737783B1 - Dispositif pour regler la position de lentilles dans un objectif a longueur focale variable - Google Patents

Dispositif pour regler la position de lentilles dans un objectif a longueur focale variable

Info

Publication number
FR2737783B1
FR2737783B1 FR9610058A FR9610058A FR2737783B1 FR 2737783 B1 FR2737783 B1 FR 2737783B1 FR 9610058 A FR9610058 A FR 9610058A FR 9610058 A FR9610058 A FR 9610058A FR 2737783 B1 FR2737783 B1 FR 2737783B1
Authority
FR
France
Prior art keywords
lenses
adjusting
focal length
length lens
variable focal
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
FR9610058A
Other languages
English (en)
Other versions
FR2737783A1 (fr
Inventor
Shinzuke Kohmoto
Norio Sato
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2737783A1 publication Critical patent/FR2737783A1/fr
Application granted granted Critical
Publication of FR2737783B1 publication Critical patent/FR2737783B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Structure And Mechanism Of Cameras (AREA)
FR9610058A 1995-08-10 1996-08-09 Dispositif pour regler la position de lentilles dans un objectif a longueur focale variable Expired - Fee Related FR2737783B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7204874A JPH0949961A (ja) 1995-08-10 1995-08-10 可変焦点距離レンズのレンズ位置調整装置

Publications (2)

Publication Number Publication Date
FR2737783A1 FR2737783A1 (fr) 1997-02-14
FR2737783B1 true FR2737783B1 (fr) 1999-10-22

Family

ID=16497833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9610058A Expired - Fee Related FR2737783B1 (fr) 1995-08-10 1996-08-09 Dispositif pour regler la position de lentilles dans un objectif a longueur focale variable

Country Status (5)

Country Link
US (1) US5774282A (fr)
JP (1) JPH0949961A (fr)
DE (1) DE19632265A1 (fr)
FR (1) FR2737783B1 (fr)
GB (1) GB2304207B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318191B (en) * 1996-10-14 2001-10-03 Asahi Seimitsu Kk Mount shift apparatus of lens for cctv camera
JP3645677B2 (ja) * 1996-12-12 2005-05-11 ペンタックス株式会社 ズームレンズ鏡筒の駆動装置
DE19904152A1 (de) * 1999-02-03 2000-08-10 Zeiss Carl Fa Baugruppe aus einem optischen Element und einer Fassung
US6657760B2 (en) * 2000-01-14 2003-12-02 Canon Kabushiki Kaisha Image scanning apparatus
DE20304476U1 (de) * 2003-03-20 2003-05-22 Leica Camera AG, 35606 Solms Objektivfassung für Sucherkameras
US7309943B2 (en) * 2003-09-08 2007-12-18 New Scale Technologies, Inc. Mechanism comprised of ultrasonic lead screw motor
US6940209B2 (en) * 2003-09-08 2005-09-06 New Scale Technologies Ultrasonic lead screw motor
JP4557211B2 (ja) * 2004-07-06 2010-10-06 富士フイルム株式会社 レンズ装置のレンズ支持枠及びその調整方法
JP4537800B2 (ja) * 2004-08-13 2010-09-08 Ｈｏｙａ株式会社 ズームレンズ鏡筒のズーム調整機構
US20060087580A1 (en) * 2004-10-21 2006-04-27 Symagery Microsystems Inc. Variable focal distance image reader
DE102005001503A1 (de) * 2005-01-07 2006-07-27 Seereal Technologies Gmbh Sweet-Spot-Einheit
JP2007094241A (ja) * 2005-09-30 2007-04-12 Fujinon Corp レンズブロック及びこれを保持するレンズ保持具並びにこれを用いるプロジェクタ
JP4817876B2 (ja) * 2006-02-20 2011-11-16 キヤノン株式会社 レンズ鏡筒およびカメラシステム
DE102007002771A1 (de) * 2007-01-18 2008-07-31 Testo Ag Schutzeinrichtung
TWI486662B (zh) * 2009-12-18 2015-06-01 Hon Hai Prec Ind Co Ltd 鏡頭模組
JP6965061B2 (ja) * 2017-08-29 2021-11-10 キヤノン株式会社 マウント、撮像装置
CN110927916B (zh) * 2019-11-25 2024-07-26 珠海博明视觉科技有限公司 一种镜头与相机后截距的调节装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6927722U (de) * 1969-07-11 1970-03-19 Kodak Ag Photographisches objektiv mit brennweitenausgleich bei temperaturschwankungen
DE2617464A1 (de) * 1976-04-21 1977-11-03 Schneider Co Optische Werke Objektiv mit veraenderbarer brennweite mit einer verstellvorrichtung
JPS5932971Y2 (ja) * 1979-10-22 1984-09-14 旭光学工業株式会社 ズ−ムレンズ鏡筒
US4458990A (en) * 1980-08-07 1984-07-10 Canon Kabushiki Kaisha Adjusting mechanism for lens mounting assembly
JPS614914U (ja) * 1984-06-14 1986-01-13 キヤノン株式会社 レンズ鏡筒
SE458072B (sv) * 1987-07-03 1989-02-20 Ericsson Telefon Ab L M Anordning foer att vid varierande temperatur haalla en optisk lins i oenskat laege i en linsfattning
GB2237406B (en) * 1989-10-27 1993-11-03 Asahi Optical Co Ltd Zoom lens barrel
JP2971899B2 (ja) * 1990-02-14 1999-11-08 旭光学工業株式会社 ズームレンズ鏡筒
US5249082A (en) * 1991-05-08 1993-09-28 Eastman Kodak Company Exact constraint arrangement for and methods of mounting an element such as a lens
JPH05127059A (ja) * 1991-10-30 1993-05-25 Asahi Optical Co Ltd カメラ用可変焦点距離レンズの焦点位置調整装置
JP3367166B2 (ja) * 1993-10-25 2003-01-14 ペンタックス株式会社 レンズ位置調整機構
US5537262A (en) * 1993-10-19 1996-07-16 Asahi Kogaku Kogyo Kabushiki Kaisha Rotational torque setting apparatus for screw mechanism

Also Published As

Publication number Publication date
US5774282A (en) 1998-06-30
JPH0949961A (ja) 1997-02-18
GB2304207B (en) 1999-12-29
DE19632265A1 (de) 1997-02-13
GB2304207A (en) 1997-03-12
FR2737783A1 (fr) 1997-02-14
GB9616814D0 (en) 1996-09-25

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Legal Events

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ST Notification of lapse

Effective date: 20100430