FR2662511B1 - Element optique annulaire, notamment anneau de came d'un objectif. - Google Patents
Element optique annulaire, notamment anneau de came d'un objectif.Info
- Publication number
- FR2662511B1 FR2662511B1 FR9016302A FR9016302A FR2662511B1 FR 2662511 B1 FR2662511 B1 FR 2662511B1 FR 9016302 A FR9016302 A FR 9016302A FR 9016302 A FR9016302 A FR 9016302A FR 2662511 B1 FR2662511 B1 FR 2662511B1
- Authority
- FR
- France
- Prior art keywords
- came
- lens
- ring
- optical element
- annular optical
- 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
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
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
-
- 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
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B5/04—Vertical adjustment of lens; Rising fronts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990054883U JPH0413910U (fr) | 1990-05-25 | 1990-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2662511A1 FR2662511A1 (fr) | 1991-11-29 |
FR2662511B1 true FR2662511B1 (fr) | 1994-02-25 |
Family
ID=12982989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9016302A Expired - Fee Related FR2662511B1 (fr) | 1990-05-25 | 1990-12-27 | Element optique annulaire, notamment anneau de came d'un objectif. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5221993A (fr) |
JP (1) | JPH0413910U (fr) |
KR (1) | KR970003044Y1 (fr) |
DE (1) | DE4042053C2 (fr) |
FR (1) | FR2662511B1 (fr) |
GB (1) | GB2244346B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2261298A (en) * | 1991-11-08 | 1993-05-12 | Ind Tech Res Inst | Zoom lens mount having openended slots |
JP3248968B2 (ja) * | 1993-01-13 | 2002-01-21 | 旭光学工業株式会社 | ズームレンズ鏡筒 |
US5604638A (en) * | 1993-12-01 | 1997-02-18 | Asahi Kogaku Kogyo Kabushiki Kaisha | Anti-reflection structure for zoom lens barrel |
DE4430778C2 (de) * | 1994-08-30 | 2000-01-27 | Sick Ag | Tubus |
JP3568307B2 (ja) * | 1996-01-24 | 2004-09-22 | オリンパス株式会社 | レンズ鏡筒のカム機構 |
US5715090A (en) * | 1996-02-20 | 1998-02-03 | Eastman Kodak Company | Color corrected viewfinder including a negative power lens component having a diffractive surface |
JP3311319B2 (ja) * | 1998-10-02 | 2002-08-05 | キヤノン株式会社 | 光学ユニット、光学ユニットを用いた光学機器 |
JP5383188B2 (ja) * | 2006-06-21 | 2014-01-08 | パナソニック株式会社 | レンズ鏡筒 |
CN208636523U (zh) * | 2018-08-10 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | 镜头模组 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6708010A (fr) * | 1967-06-09 | 1968-12-10 | ||
US3951522A (en) * | 1972-05-15 | 1976-04-20 | Canon Kabushiki Kaisha | Lens structure having a movable portion |
AT342888B (de) * | 1973-04-17 | 1978-04-25 | Schneider Co Optische Werke | Steuereinrichtung an pankratischen objektiven |
JPS5921362Y2 (ja) * | 1979-08-29 | 1984-06-23 | コニカ株式会社 | ズ−ムレンズ鏡胴 |
JPS60252319A (ja) * | 1984-05-29 | 1985-12-13 | Matsushita Electric Ind Co Ltd | 光学レンズ |
US4707083A (en) * | 1984-09-29 | 1987-11-17 | Canon Kabushiki Kaisha | Lens moving device |
JPS6395409A (ja) * | 1986-10-09 | 1988-04-26 | Tamuron:Kk | レンズ移動装置 |
US5018832A (en) * | 1988-11-10 | 1991-05-28 | Nikon Corporation | Device for preventing generation of harmful light in objective lens assembly |
GB2229016B (en) * | 1989-03-09 | 1993-07-07 | Asahi Optical Co Ltd | Cam ring of lens barrel and method for manufacturing the same |
-
1990
- 1990-05-25 JP JP1990054883U patent/JPH0413910U/ja active Pending
- 1990-12-19 US US07/630,085 patent/US5221993A/en not_active Expired - Fee Related
- 1990-12-22 KR KR2019900020575U patent/KR970003044Y1/ko not_active IP Right Cessation
- 1990-12-27 FR FR9016302A patent/FR2662511B1/fr not_active Expired - Fee Related
- 1990-12-28 GB GB9028117A patent/GB2244346B/en not_active Expired - Fee Related
- 1990-12-28 DE DE4042053A patent/DE4042053C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4042053A1 (de) | 1991-11-28 |
GB2244346A (en) | 1991-11-27 |
JPH0413910U (fr) | 1992-02-04 |
GB9028117D0 (en) | 1991-02-13 |
FR2662511A1 (fr) | 1991-11-29 |
GB2244346B (en) | 1994-02-23 |
DE4042053C2 (de) | 1996-10-24 |
US5221993A (en) | 1993-06-22 |
KR910020731U (ko) | 1991-12-20 |
KR970003044Y1 (ko) | 1997-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |