JPH02149929U - - Google Patents

Info

Publication number
JPH02149929U
JPH02149929U JP1989060185U JP6018589U JPH02149929U JP H02149929 U JPH02149929 U JP H02149929U JP 1989060185 U JP1989060185 U JP 1989060185U JP 6018589 U JP6018589 U JP 6018589U JP H02149929 U JPH02149929 U JP H02149929U
Authority
JP
Japan
Prior art keywords
light shielding
lens barrel
shielding structure
movement
lens
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
JP1989060185U
Other languages
English (en)
Other versions
JPH0740986Y2 (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 JP1989060185U priority Critical patent/JPH0740986Y2/ja
Priority to US07/526,637 priority patent/US5115350A/en
Priority to GB9011383A priority patent/GB2232269B/en
Priority to DE4016524A priority patent/DE4016524A1/de
Priority to FR9006435A priority patent/FR2647555B1/fr
Publication of JPH02149929U publication Critical patent/JPH02149929U/ja
Application granted granted Critical
Publication of JPH0740986Y2 publication Critical patent/JPH0740986Y2/ja
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
    • G02B7/20—Light-tight connections for movable optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る遮光構造の一実施例をカ
メラに適用した部分断面図、第２図は遮光部材で
ありＡは斜視図、Ｂはその分解斜視図、第３図は
Ａ〜Ｃはレンズ鏡筒の移動に伴う凹部に対する遮
光部材の作用の説明図、第４図はレンズ鏡筒偏心
時に於る遮光部材の作用の説明図、第５乃至６図
は従来の遮光構造を示す断面図である。 １……鏡筒（レンズ鏡筒）、１Ａ……凹部、２
……レンズ保持部材、１０……遮光リング、１１
……樹脂リング（遮光部材）、１１Ａ……内周部
（開口部）、１２……金属板リング（剛性体）、
Ｗ……遮光部材のレンズ鏡筒移動方向に於る合算
屈曲変形幅、ｄ……凹部のレンズ鏡筒移動方向に
於る幅。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) レンズ鏡筒をその光軸方向にスライド移動
    可能に保持するレンズ保持部材に、 可撓性材料により形成され、前記レンズ鏡筒外
    径より小径の開口部を有する二枚の遮光部材を、
    その開口部を互いに反対側に屈曲変形させて積層
    装着したこと、を特徴とする遮光構造。 (2) 上記遮光部材を、剛性体で裏打し、該裏打
    部分を介して上記レンズ保持部材に装着固定する
    よう構成したこと、を特徴とする請求項(1)記載
    の遮光構造。 (3) 上記二枚の遮光部材の上記レンズ鏡筒移動
    方向に於る合算屈曲変形幅を、上記レンズ鏡筒外
    面に形成された凹部の上記レンズ鏡筒移動方向に
    於る幅より所定量広く設定したこと、を特徴とす
    る請求項(1)又は(2)記載の遮光構造。
JP1989060185U 1989-05-24 1989-05-24 遮光構造 Expired - Fee Related JPH0740986Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1989060185U JPH0740986Y2 (ja) 1989-05-24 1989-05-24 遮光構造
US07/526,637 US5115350A (en) 1989-05-24 1990-05-22 Light intercepting apparatus of lens
GB9011383A GB2232269B (en) 1989-05-24 1990-05-22 Camera having light intercepting means
DE4016524A DE4016524A1 (de) 1989-05-24 1990-05-22 Vorrichtung zum verhindern von lichteintritt zwischen einem objektivtubus und einer objektivfassung
FR9006435A FR2647555B1 (fr) 1989-05-24 1990-05-23 Dispositif d'interception de lumiere pour objectif photographique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989060185U JPH0740986Y2 (ja) 1989-05-24 1989-05-24 遮光構造

Publications (2)

Publication Number Publication Date
JPH02149929U true JPH02149929U (ja) 1990-12-21
JPH0740986Y2 JPH0740986Y2 (ja) 1995-09-20

Family

ID=13134852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989060185U Expired - Fee Related JPH0740986Y2 (ja) 1989-05-24 1989-05-24 遮光構造

Country Status (5)

Country Link
US (1) US5115350A (ja)
JP (1) JPH0740986Y2 (ja)
DE (1) DE4016524A1 (ja)
FR (1) FR2647555B1 (ja)
GB (1) GB2232269B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114013U (ja) * 1991-03-26 1992-10-07 株式会社ニコン カメラの遮光構造

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2535031Y2 (ja) * 1989-02-09 1997-05-07 旭光学工業株式会社 レンズの遮光枠
JP2582660Y2 (ja) * 1992-06-11 1998-10-08 旭光学工業株式会社 レンズ鏡筒の遮光装置
JPH0637811U (ja) * 1992-10-19 1994-05-20 旭光学工業株式会社 カメラの遮光装置
US5455702A (en) * 1993-02-22 1995-10-03 Reed; Clay R. Light communication apparatus
KR0133039B1 (ko) * 1993-04-26 1998-04-15 이대원 줌잉 작동하는 렌즈계를 보유하는 광학기기
US5604638A (en) * 1993-12-01 1997-02-18 Asahi Kogaku Kogyo Kabushiki Kaisha Anti-reflection structure for zoom lens barrel
JPH0829825A (ja) * 1994-07-18 1996-02-02 Nikon Corp 防振装置
JP3891567B2 (ja) * 2002-12-03 2007-03-14 フジノン株式会社 フレアストッパ
US6640053B1 (en) * 2002-12-12 2003-10-28 Eastman Kodak Company Camera front seal assembly
US7259923B2 (en) * 2003-08-12 2007-08-21 Ricoh Company, Ltd. Lens barrel
JP4362075B2 (ja) * 2004-02-09 2009-11-11 Ｈｏｙａ株式会社 双眼鏡

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6917028U (de) * 1969-04-26 1969-10-16 Leitz Ernst Gmbh Fassung fuer mikroskop-objektive
US3927932A (en) * 1974-10-09 1975-12-23 Alfred S Chrosziel Zoom lens control device
JPS6020089Y2 (ja) * 1978-11-17 1985-06-17 ミノルタ株式会社 ズ−ムレンズ鏡胴
JPS5921362Y2 (ja) * 1979-08-29 1984-06-23 コニカ株式会社 ズ−ムレンズ鏡胴
US4441794A (en) * 1980-08-04 1984-04-10 Field Roger C Adjustable sun screen for camera lens
DE8334641U1 (de) * 1983-12-02 1984-03-01 Fa. Carl Zeiss, 7920 Heidenheim Objektiv-fassung
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
ATE132276T1 (de) * 1986-05-12 1996-01-15 Asahi Optical Co Ltd Öffnungs- und schliessmechanismus für ein objektiv
US4944030B1 (en) * 1986-05-12 1993-05-25 Asahi Optical Co Ltd Lens shutter camera including zoom lens
JPS6330837A (ja) * 1986-07-24 1988-02-09 Matsushita Electric Ind Co Ltd 透過型スクリ−ン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114013U (ja) * 1991-03-26 1992-10-07 株式会社ニコン カメラの遮光構造

Also Published As

Publication number Publication date
FR2647555B1 (fr) 1993-02-19
GB2232269B (en) 1993-07-28
US5115350A (en) 1992-05-19
FR2647555A1 (fr) 1990-11-30
JPH0740986Y2 (ja) 1995-09-20
GB2232269A (en) 1990-12-05
DE4016524C2 (ja) 1993-04-08
GB9011383D0 (en) 1990-07-11
DE4016524A1 (de) 1990-11-29

Similar Documents

Publication Publication Date Title
JPH02107113U (ja)
JPH01169211U (ja)
JPH0251304U (ja)
JPH0531606Y2 (ja)
JPH035120U (ja)
JPH0373917U (ja)
JPH02117510U (ja)
JPH0351425U (ja)
JPH0384817U (ja)
JPS6049514U (ja) ズ−ムレンズ鏡筒
JPH0262422U (ja)
JPS6241295Y2 (ja)
JPS6452254U (ja)
JPH03124324U (ja)
JPH0349623U (ja)
JPS6329126U (ja)
JPS6179309U (ja)
JPH0359778U (ja)
JPS6430515U (ja)
JPS5869811U (ja) カメラ用レンズの構造
JPH01149608U (ja)
JPS6373730U (ja)
JPH0390212U (ja)
JPH0453371U (ja)
JPH0245548U (ja)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees