BE457647A - - Google Patents
Info
- Publication number
- BE457647A BE457647A BE457647DA BE457647A BE 457647 A BE457647 A BE 457647A BE 457647D A BE457647D A BE 457647DA BE 457647 A BE457647 A BE 457647A
- Authority
- BE
- Belgium
- Prior art keywords
- plates
- plate
- chamber
- objective
- camera according
- Prior art date
Links
- 239000005338 frosted glass Substances 0.000 claims description 21
- 239000005337 ground glass Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009182 swimming 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
-
- 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457647A true BE457647A (enrdf_load_stackoverflow) |
Family
ID=111075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457647D BE457647A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE457647A (enrdf_load_stackoverflow) |
-
0
- BE BE457647D patent/BE457647A/fr unknown
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