BE563293A - - Google Patents
Info
- Publication number
- BE563293A BE563293A BE563293DA BE563293A BE 563293 A BE563293 A BE 563293A BE 563293D A BE563293D A BE 563293DA BE 563293 A BE563293 A BE 563293A
- Authority
- BE
- Belgium
- Prior art keywords
- shutters
- slit
- fine adjustment
- optical
- planes
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 24
- 210000001747 pupil Anatomy 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035945 sensitivity 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE563293A true BE563293A (en:Method) |
Family
ID=184589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE563293D BE563293A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE563293A (en:Method) |
-
0
- BE BE563293D patent/BE563293A/fr unknown
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