FR2331043A1 - Monture d'objectif a distance focale variable permettant la macrophotographie - Google Patents
Monture d'objectif a distance focale variable permettant la macrophotographieInfo
- Publication number
- FR2331043A1 FR2331043A1 FR7633496A FR7633496A FR2331043A1 FR 2331043 A1 FR2331043 A1 FR 2331043A1 FR 7633496 A FR7633496 A FR 7633496A FR 7633496 A FR7633496 A FR 7633496A FR 2331043 A1 FR2331043 A1 FR 2331043A1
- Authority
- FR
- France
- Prior art keywords
- macrophotography
- focal distance
- lens mount
- variable focal
- distance allowing
- 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
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
- G02B7/105—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 with movable lens means specially adapted for focusing at close distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15072175A JPS51116351A (en) | 1975-01-07 | 1975-12-19 | Bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2331043A1 true FR2331043A1 (fr) | 1977-06-03 |
FR2331043B1 FR2331043B1 (fr) | 1979-03-30 |
Family
ID=15502947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7633496A Granted FR2331043A1 (fr) | 1975-12-19 | 1976-11-05 | Monture d'objectif a distance focale variable permettant la macrophotographie |
Country Status (2)
Country | Link |
---|---|
US (1) | US4114984A (fr) |
FR (1) | FR2331043A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2373804A1 (fr) * | 1976-12-09 | 1978-07-07 | Fuji Photo Optical Co Ltd | Objectif zoom pour appareils de prise de vues |
FR2461965A1 (fr) * | 1979-07-21 | 1981-02-06 | Fuji Photo Optical Co Ltd | Barillet d'objectif |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6023327B2 (ja) * | 1979-04-16 | 1985-06-07 | 旭光学工業株式会社 | ズ−ムレンズ鏡筒の近域撮影への切換装置 |
JPS55167208U (fr) * | 1979-05-19 | 1980-12-01 | ||
JPS565108U (fr) * | 1979-06-25 | 1981-01-17 | ||
EP0027651B1 (fr) * | 1979-10-18 | 1985-04-10 | Olympus Optical Co., Ltd. | Partie oculaire d'endoscope |
JPS58145902A (ja) * | 1982-02-25 | 1983-08-31 | Yabe Kogaku Kiki Seisakusho:Kk | マクロ機能付リアコンバ−タレンズ |
US4720182A (en) * | 1984-11-08 | 1988-01-19 | Nippon Kogaku K.K. | Zoom lens capable of effecting a macro operation |
JPH04256909A (ja) * | 1991-02-12 | 1992-09-11 | Matsushita Electric Ind Co Ltd | ビデオカメラ用ズームレンズのフォーカス機構 |
US6049432A (en) * | 1993-06-07 | 2000-04-11 | Nikon Corporation | Zoom lens barrel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4633495B1 (fr) * | 1967-07-14 | 1971-10-01 | ||
JPS5510885B1 (fr) * | 1970-08-18 | 1980-03-19 | ||
US3817600A (en) * | 1971-06-14 | 1974-06-18 | Ponder & Best | Zoom lens having close-up focusing mode of operation |
JPS5123339Y2 (fr) * | 1972-09-26 | 1976-06-15 |
-
1976
- 1976-11-05 FR FR7633496A patent/FR2331043A1/fr active Granted
- 1976-11-05 US US05/739,307 patent/US4114984A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2373804A1 (fr) * | 1976-12-09 | 1978-07-07 | Fuji Photo Optical Co Ltd | Objectif zoom pour appareils de prise de vues |
FR2461965A1 (fr) * | 1979-07-21 | 1981-02-06 | Fuji Photo Optical Co Ltd | Barillet d'objectif |
Also Published As
Publication number | Publication date |
---|---|
FR2331043B1 (fr) | 1979-03-30 |
US4114984A (en) | 1978-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |