JPS5220328B2 - - Google Patents
Info
- Publication number
- JPS5220328B2 JPS5220328B2 JP49023486A JP2348674A JPS5220328B2 JP S5220328 B2 JPS5220328 B2 JP S5220328B2 JP 49023486 A JP49023486 A JP 49023486A JP 2348674 A JP2348674 A JP 2348674A JP S5220328 B2 JPS5220328 B2 JP S5220328B2
- Authority
- JP
- Japan
- 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
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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Blocking Light For Cameras (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49023486A JPS5220328B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-27 | 1974-02-27 | |
| US05/541,204 US4002402A (en) | 1974-02-27 | 1975-01-15 | Lens hood for zoom lenses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49023486A JPS5220328B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-27 | 1974-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50117417A JPS50117417A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-13 |
| JPS5220328B2 true JPS5220328B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-06-02 |
Family
ID=12111843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49023486A Expired JPS5220328B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-27 | 1974-02-27 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4002402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS5220328B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171880A (en) * | 1976-12-09 | 1979-10-23 | Fuji Photo Optical Co., Ltd. | Zoom lens system for cameras |
| FR2373804A1 (fr) * | 1976-12-09 | 1978-07-07 | Fuji Photo Optical Co Ltd | Objectif zoom pour appareils de prise de vues |
| JPS6020089Y2 (ja) * | 1978-11-17 | 1985-06-17 | ミノルタ株式会社 | ズ−ムレンズ鏡胴 |
| US4441794A (en) * | 1980-08-04 | 1984-04-10 | Field Roger C | Adjustable sun screen for camera lens |
| DE3106636A1 (de) * | 1980-08-04 | 1982-03-18 | Roger C. 8000 München Field | Kamera, insbesondere film- oder videokamera |
| JPH0524905Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-08-21 | 1993-06-24 | ||
| JPH0755525Y2 (ja) * | 1989-02-10 | 1995-12-20 | 旭光学工業株式会社 | レンズシャッタ式カメラのレンズ鏡筒の遮光装置 |
| US5294954A (en) * | 1990-11-27 | 1994-03-15 | Asahi Kogaku Kogyo Kabushiki Kaisha | Rotatably controllable lens hood and cover unit |
| US5940226A (en) * | 1996-09-11 | 1999-08-17 | Asahi Kogaku Kogyo Kabushiki Kaisha | Light intercepting mechanism of a zoom lens barrel |
| SE9801945D0 (sv) * | 1998-06-02 | 1998-06-02 | Hasselblad Ab Victor | Device and method for minimizing vignetting and stray light in a photographic |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4633495B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1967-07-14 | 1971-10-01 | ||
| US3765748A (en) * | 1972-09-01 | 1973-10-16 | H Mito | Mechanism for relative adjustment of axially spaced lens components |
-
1974
- 1974-02-27 JP JP49023486A patent/JPS5220328B2/ja not_active Expired
-
1975
- 1975-01-15 US US05/541,204 patent/US4002402A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4002402A (en) | 1977-01-11 |
| JPS50117417A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-13 |