JPS6432529U - - Google Patents

Info

Publication number
JPS6432529U
JPS6432529U JP1987127091U JP12709187U JPS6432529U JP S6432529 U JPS6432529 U JP S6432529U JP 1987127091 U JP1987127091 U JP 1987127091U JP 12709187 U JP12709187 U JP 12709187U JP S6432529 U JPS6432529 U JP S6432529U
Authority
JP
Japan
Prior art keywords
lens
focal length
group
hood
length side
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.)
Granted
Application number
JP1987127091U
Other languages
English (en)
Other versions
JPH0524905Y2 (ja
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 filed Critical
Priority to JP1987127091U priority Critical patent/JPH0524905Y2/ja
Publication of JPS6432529U publication Critical patent/JPS6432529U/ja
Priority to US07/613,959 priority patent/US5313329A/en
Application granted granted Critical
Publication of JPH0524905Y2 publication Critical patent/JPH0524905Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B7/102—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 controlled by a microcomputer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/043—Protective lens closures or lens caps built into cameras
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/045—Lens hoods or shields
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Blocking Light For Cameras (AREA)
  • Lens Barrels (AREA)

Description

【図面の簡単な説明】
第１図は本考案を適用したズームレンズの実施
例を光軸を通る面で縦断して上半分を示した断面
図、第２図は同ズームレンズを分解して概要を示
した斜視図、第３図は同ズームレンズの要部を長
焦点端で示した概略断面図、第４図は同ズームレ
ンズの要部を短焦点端で示した概略断面図である
。 １１……後固定枠、１２……ガイドロツド、１
４……カムリング、１６……前群枠、１８……後
群枠、２０，２１……ズーミングカム溝、２３…
…シヤツタブロツク、２５……ヘリコイド、３０
……レンズフード、３３……入射光規制開口、Ｌ
１……前群レンズ、Ｌ２……後群レンズ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 焦点距離を変化させる変倍レンズ群を備え
    たズームレンズの鏡筒にレンズフードを光軸方向
    に前進後退自在に装着し、このレンズフードを長
    焦点側では前進し、短焦点側では後退するように
    上記変倍レンズ群の変倍移動に連動させたことを
    特徴とするズームレンズの組込レンズフード。 (2) 実用新案登録請求の範囲第１項において、
    上記変倍レンズ群は前群レンズおよび後群レンズ
    の二群からなり、これら前、後群レンズが長焦点
    側では前進すると共に相対的に接近し、短焦点側
    では後退すると共に相対的に離反し、レンズフー
    ドは後群レンズの保持枠に取り付けられ、このレ
    ンズ保持枠と一体に移動することを特徴とするズ
    ームレンズの組込レンズフード。
JP1987127091U 1987-08-21 1987-08-21 Expired - Lifetime JPH0524905Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987127091U JPH0524905Y2 (ja) 1987-08-21 1987-08-21
US07/613,959 US5313329A (en) 1987-08-21 1990-11-15 Lens hood assembly for zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987127091U JPH0524905Y2 (ja) 1987-08-21 1987-08-21

Publications (2)

Publication Number Publication Date
JPS6432529U true JPS6432529U (ja) 1989-03-01
JPH0524905Y2 JPH0524905Y2 (ja) 1993-06-24

Family

ID=31379200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987127091U Expired - Lifetime JPH0524905Y2 (ja) 1987-08-21 1987-08-21

Country Status (2)

Country Link
US (1) US5313329A (ja)
JP (1) JPH0524905Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217235A (ja) * 1990-03-01 1992-08-07 Leica Camera Gmbh 写真対物レンズ用逆光絞り

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230354B (en) * 1989-03-31 1993-09-15 Asahi Optical Co Ltd Zoom lens assembly
US5483384A (en) * 1993-02-25 1996-01-09 Asahi Kogaku Kogyo Kabushiki Kaisha Lens accessory attaching mechanism
US5592335A (en) * 1993-03-23 1997-01-07 Nikon Corporation Reduced diameter camera lens barrel with lens shift device and improved focus lens drive linkage
US6049432A (en) * 1993-06-07 2000-04-11 Nikon Corporation Zoom lens barrel
US5614973A (en) * 1993-11-30 1997-03-25 Asahi Kogaku Kogyo Kabushiki Kaisha Lens barrier mechanism
JPH07159828A (ja) * 1993-12-06 1995-06-23 Asahi Optical Co Ltd カメラのレンズ繰出装置
JPH08278532A (ja) * 1995-04-05 1996-10-22 Asahi Optical Co Ltd ズームレンズのフード可変装置
DE19530477C2 (de) * 1995-08-18 2000-08-10 Storz Karl Gmbh & Co Kg Endoskop mit variabler Vergrößerung
US5940226A (en) * 1996-09-11 1999-08-17 Asahi Kogaku Kogyo Kabushiki Kaisha Light intercepting mechanism of a zoom lens barrel
JPH11311819A (ja) * 1998-04-28 1999-11-09 Olympus Optical Co Ltd カメラの撮影レンズ
JP3360818B2 (ja) 1999-05-27 2003-01-07 ペンタックス株式会社 レンズフード
US6909464B2 (en) 2000-01-31 2005-06-21 Pentax Corporation Zoom lens and a movable lens hood mounting mechanism of the zoom lens
US6597518B2 (en) * 2000-01-31 2003-07-22 Pentax Corporation Zoom lens barrel
US6570718B2 (en) 2000-02-01 2003-05-27 Pentax Corporation Zoom lens having a cam mechanism
JP3569478B2 (ja) 2000-02-01 2004-09-22 ペンタックス株式会社 ズームレンズ鏡筒
JP2001215391A (ja) 2000-02-01 2001-08-10 Asahi Optical Co Ltd ズームレンズ鏡筒の可動フード機構
JP3450780B2 (ja) 2000-02-01 2003-09-29 ペンタックス株式会社 環状部材のバヨネット固定装置及びズームレンズ鏡筒
JP2001215385A (ja) 2000-02-01 2001-08-10 Asahi Optical Co Ltd 直進レンズのカム駆動機構
JP2001215392A (ja) 2000-02-01 2001-08-10 Asahi Optical Co Ltd ズームレンズ鏡筒のカム環回転機構
JP3762602B2 (ja) 2000-02-01 2006-04-05 ペンタックス株式会社 ズームレンズ鏡筒のレンズ枠案内装置
JP3548479B2 (ja) 2000-02-03 2004-07-28 ペンタックス株式会社 ズームレンズ鏡筒の分解機構
US6636362B2 (en) 2001-03-22 2003-10-21 Pentax Corporation Lens barrel
US6665129B2 (en) 2001-03-22 2003-12-16 Pentax Corporation Lens barrel and a zoom lens barrel
US6519096B2 (en) 2001-03-22 2003-02-11 Pentax Corporation Lens barrel
US6788475B2 (en) * 2001-03-22 2004-09-07 Pentax Corporation Lens barrel having a lens barrier mechanism
JP4789659B2 (ja) * 2006-03-14 2011-10-12 富士フイルム株式会社 レンズ鏡筒及びカメラ
JP4929512B2 (ja) * 2007-09-14 2012-05-09 株式会社タムロン ズームレンズ系

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220328A (en) * 1975-08-08 1977-02-16 Hitachi Metals Ltd Ram jolt device for mold forming machine
JPS5236023A (en) * 1975-09-16 1977-03-19 Hiroshi Mito Hood device for zoom lens

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220328B2 (ja) * 1974-02-27 1977-06-02
JPS5529821A (en) * 1978-08-24 1980-03-03 Konishiroku Photo Ind Co Ltd Zoom lens
JPS565108U (ja) * 1979-06-25 1981-01-17
JPS5677810A (en) * 1979-11-28 1981-06-26 Ricoh Co Ltd Preventing device for internal reflection of zoom lens
JPS5680011A (en) * 1979-12-05 1981-07-01 Ricoh Co Ltd Internal reflection reducing device in zoom lens
JPS57116309A (en) * 1981-01-12 1982-07-20 Canon Inc Zoom lens barrel
JPS6041012A (ja) * 1983-08-16 1985-03-04 Canon Inc ズ−ムレンズ鏡胴
JPS60114813A (ja) * 1984-08-30 1985-06-21 Tamuron:Kk 至近撮影可能なズ−ムレンズ
JPH0646255B2 (ja) * 1985-01-11 1994-06-15 キヤノン株式会社 副絞りを有したレンズ鏡筒
JPS62244026A (ja) * 1986-04-17 1987-10-24 Canon Inc カメラのレンズカバ−装置
JPS63160520U (ja) * 1987-04-06 1988-10-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220328A (en) * 1975-08-08 1977-02-16 Hitachi Metals Ltd Ram jolt device for mold forming machine
JPS5236023A (en) * 1975-09-16 1977-03-19 Hiroshi Mito Hood device for zoom lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217235A (ja) * 1990-03-01 1992-08-07 Leica Camera Gmbh 写真対物レンズ用逆光絞り

Also Published As

Publication number Publication date
JPH0524905Y2 (ja) 1993-06-24
US5313329A (en) 1994-05-17

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