AT87581B - Photographic camera on which marks are arranged which are reproduced on the photosensitive layer when the picture is taken in order to determine the point at which this layer is struck by the optical axis. - Google Patents
Photographic camera on which marks are arranged which are reproduced on the photosensitive layer when the picture is taken in order to determine the point at which this layer is struck by the optical axis.Info
- Publication number
- AT87581B AT87581B AT87581DA AT87581B AT 87581 B AT87581 B AT 87581B AT 87581D A AT87581D A AT 87581DA AT 87581 B AT87581 B AT 87581B
- Authority
- AT
- Austria
- Prior art keywords
- layer
- optical axis
- point
- struck
- reproduced
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 6
Landscapes
- Camera Data Copying Or Recording (AREA)
Description
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Photographische Kamera, an der Marken angeordnet sind, die bei der Aufnahme auf der lichtempfindlichen Schicht wieder gegeben werden, um den Punkt festzulegen, in dem diese Schicht von der optischen Achse getroffen wird.
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so einzustellen, dass ihr Bild auf die gewünschte Stelle der Platte fällt. Im unteren Teil der Kamera ist ebenfalls ein Röhrchen e angebracht, das jedoch starr an der Kamera befestigt ist.
Dieses Röhrchen trägt an seinem hinteren Ende eine kleine Sammellinse g, die exzentrisch ist, so dass ihre Achse nicht mit der des Röhrchens e zusammenfällt. Die Sammellinse ist in einer Fassung gl angebracht, die beweglich in dem Röhrchen e steckt ; eine Klemmschraube g2 dient zum Festklemmen der Sammellinse. Die am'vorderen Teil dieses Röhrchens sitzenden Teile h, i, io und j stimmen mit den entsprechend bezeichneten oben in der Kamera angeordneten Teilen überein. Ein Beleuchtungsprisma ist hier entbehrlich. Zum Einstellen des Markenbildes ist es hier nur nötig, den Hohlzylinder k und die Sammellinse g samt ihrer Fassung gl in dem Röhrchen e durch Drehen entsprechend einzustellen.
Man wird bei dem gezeichneten Beispiel die beiden Markenbilder so einstellen, dass sie die Endpunkte einer Strecke bilden, in deren Mitte der Punkt
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Schicht von der optischen Achse getroffen wird, dadurch gekennzeichnet, dass in der Kamera für jede Marke ein Hilfsobjektiv angeordnet ist, das dazu dient, ein Bild der Marke auf der lichtempfindlichen Schicht zu entwerfen.
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Photographic camera on which marks are arranged which are reproduced on the photosensitive layer when the picture is taken, in order to determine the point at which this layer is struck by the optical axis.
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set so that your image falls on the desired place on the plate. In the lower part of the camera there is also a tube e, which, however, is rigidly attached to the camera.
At its rear end, this tube carries a small converging lens g which is eccentric so that its axis does not coincide with that of the tube e. The converging lens is mounted in a mount gl which is movably inserted in the tube e; a clamping screw g2 is used to clamp the converging lens. The parts h, i, io and j located on the front part of this tube correspond to the correspondingly designated parts arranged at the top of the camera. A lighting prism is not necessary here. To set the brand image, it is only necessary here to adjust the hollow cylinder k and the converging lens g together with their mount gl in the tube e accordingly by turning.
In the example shown, you will set the two mark images in such a way that they form the end points of a line with the point in the middle
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Layer is hit by the optical axis, characterized in that an auxiliary lens is arranged in the camera for each mark, which is used to design an image of the mark on the light-sensitive layer.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT87581T | 1916-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT87581B true AT87581B (en) | 1922-03-10 |
Family
ID=3608295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87581D AT87581B (en) | 1916-01-03 | 1916-01-03 | Photographic camera on which marks are arranged which are reproduced on the photosensitive layer when the picture is taken in order to determine the point at which this layer is struck by the optical axis. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT87581B (en) |
-
1916
- 1916-01-03 AT AT87581D patent/AT87581B/en active
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