Image signal detection device for photographic printer
The image signal detection device uses an angled semi-transparent mirror (11) inserted in the light path, for imaging the original image onto a video camera. The mirror remains in the light path during printing and is made of a thin optical glass with a thickness of 0.4 mm. or less, ensuring that th...
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Zusammenfassung: | The image signal detection device uses an angled semi-transparent mirror (11) inserted in the light path, for imaging the original image onto a video camera. The mirror remains in the light path during printing and is made of a thin optical glass with a thickness of 0.4 mm. or less, ensuring that the offset between the reflected images from its front and rear surfaces at the video camera is less than the pixel spacing at the video camera image sensor. |
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