DE3942822C2 - - Google Patents
Info
- Publication number
- DE3942822C2 DE3942822C2 DE3942822A DE3942822A DE3942822C2 DE 3942822 C2 DE3942822 C2 DE 3942822C2 DE 3942822 A DE3942822 A DE 3942822A DE 3942822 A DE3942822 A DE 3942822A DE 3942822 C2 DE3942822 C2 DE 3942822C2
- Authority
- DE
- Germany
- Prior art keywords
- light
- attachment according
- camera attachment
- light sources
- glass body
- 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
- 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
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/18—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with light-reducing "factor" of filter or other obturator used with or on the lens of the camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Blocking Light For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/061,870 US4900131A (en) | 1987-06-11 | 1987-06-11 | Adjustable photographic device |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3942822A1 DE3942822A1 (de) | 1991-06-27 |
DE3942822C2 true DE3942822C2 (US20090182215A1-20090716-C00004.png) | 1993-08-26 |
Family
ID=22038676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3942822A Granted DE3942822A1 (de) | 1987-06-11 | 1989-12-23 | Einstellbare fotografische vorrichtung |
Country Status (2)
Country | Link |
---|---|
US (1) | US4900131A (US20090182215A1-20090716-C00004.png) |
DE (1) | DE3942822A1 (US20090182215A1-20090716-C00004.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8471955B2 (en) | 2007-08-13 | 2013-06-25 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Method and device for controlling the contrast range of an image capturing light falling on an image capturing medium |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6259572B1 (en) | 1996-02-21 | 2001-07-10 | Rosco Laboratories, Inc. | Photographic color effects lighting filter system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123711A (en) * | 1964-03-03 | Fajans | ||
US2900949A (en) * | 1956-10-04 | 1959-08-25 | Stephen D Baker | Elliptical reflector for instrument dials |
GB1182598A (en) * | 1966-03-09 | 1970-02-25 | Howson Ltd W H | Photographic Enlarger |
US3577898A (en) * | 1967-04-24 | 1971-05-11 | Twentieth Cent Fox Film Corp | Supplemental illuminating of film plane in photographic cameras |
DE1256531B (de) * | 1967-05-26 | 1967-12-14 | Klimsch & Co | Hilfsbelichtungseinrichtung fuer Reproduktions- und Vergroesserungsgeraete |
US3836923A (en) * | 1971-11-15 | 1974-09-17 | C Malick | Contrast control apparatus for a camera |
GB1538342A (en) * | 1976-01-19 | 1979-01-17 | Rca Corp | Structure and recording for diffractive relief images for zero-order read-out in black-and-white |
US4200379A (en) * | 1978-08-01 | 1980-04-29 | Polaroid Corporation | Exposure control system including blade sensing follow focus and trim arrangement |
JPS5642221A (en) * | 1979-09-14 | 1981-04-20 | Konishiroku Photo Ind Co Ltd | Liquid crystal focal plate |
DE3240844A1 (de) * | 1982-11-05 | 1984-05-10 | Georg Dr.med.dent. 3400 Göttingen Meyer | Vorrichtung zur steuerung des kontrastes von fotografischen bildern bei der aufnahme mittels fremdlicht |
JPS6155684A (ja) * | 1984-08-27 | 1986-03-20 | 三菱レイヨン株式会社 | 光拡散装置 |
JPH0687361B2 (ja) * | 1985-08-09 | 1994-11-02 | 株式会社日立製作所 | 螢光灯照明装置 |
-
1987
- 1987-06-11 US US07/061,870 patent/US4900131A/en not_active Expired - Fee Related
-
1989
- 1989-12-23 DE DE3942822A patent/DE3942822A1/de active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8471955B2 (en) | 2007-08-13 | 2013-06-25 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Method and device for controlling the contrast range of an image capturing light falling on an image capturing medium |
Also Published As
Publication number | Publication date |
---|---|
US4900131A (en) | 1990-02-13 |
DE3942822A1 (de) | 1991-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |