BE660020A - - Google Patents
Info
- Publication number
- BE660020A BE660020A BE660020A BE660020A BE660020A BE 660020 A BE660020 A BE 660020A BE 660020 A BE660020 A BE 660020A BE 660020 A BE660020 A BE 660020A BE 660020 A BE660020 A BE 660020A
- Authority
- BE
- Belgium
- Prior art keywords
- photosensitive
- filters
- filter
- camera
- photosensitive element
- Prior art date
Links
- 230000035945 sensitivity Effects 0.000 claims description 26
- 230000003595 spectral effect Effects 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 12
- 230000004907 flux Effects 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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
- 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
-
- 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
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE660020A BE660020A (enrdf_load_stackoverflow) | 1965-02-19 | 1965-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE660020A BE660020A (enrdf_load_stackoverflow) | 1965-02-19 | 1965-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE660020A true BE660020A (enrdf_load_stackoverflow) | 1965-06-16 |
Family
ID=3847303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE660020A BE660020A (enrdf_load_stackoverflow) | 1965-02-19 | 1965-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE660020A (enrdf_load_stackoverflow) |
-
1965
- 1965-02-19 BE BE660020A patent/BE660020A/fr unknown
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