BE528784A - - Google Patents
Info
- Publication number
- BE528784A BE528784A BE528784DA BE528784A BE 528784 A BE528784 A BE 528784A BE 528784D A BE528784D A BE 528784DA BE 528784 A BE528784 A BE 528784A
- Authority
- BE
- Belgium
- Prior art keywords
- mirror
- arrangement according
- light source
- instrument
- adjustable
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 description 6
- 239000000969 carrier Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001788 irregular 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/545—Lamp housings; Illuminating means for enlargers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microscoopes, Condenser (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE528784A true BE528784A (show.php) |
Family
ID=161986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE528784D BE528784A (show.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE528784A (show.php) |
-
0
- BE BE528784D patent/BE528784A/fr unknown
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