BE492440A - - Google Patents
Info
- Publication number
- BE492440A BE492440A BE492440DA BE492440A BE 492440 A BE492440 A BE 492440A BE 492440D A BE492440D A BE 492440DA BE 492440 A BE492440 A BE 492440A
- Authority
- BE
- Belgium
- Prior art keywords
- diaphragm
- ring
- aperture
- adjustment
- diaphragm according
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 claims 2
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000011514 reflex Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001960 triggered 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
- G03B9/07—Diaphragms with means for presetting the diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Diaphragms For Cameras (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE492440A true BE492440A (enrdf_load_stackoverflow) |
Family
ID=136686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE492440D BE492440A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE492440A (enrdf_load_stackoverflow) |
-
0
- BE BE492440D patent/BE492440A/fr unknown
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