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This flash is modified with a polarizing filter that can be cross polarized with a filter on the camera lens to create a diffuse reflection in images. This makes it optimal for photogrammetry because it ensures that the scan has the correct color (not a moving highlight) for the software to process. | This flash is modified with a polarizing filter that can be cross polarized with a filter on the camera lens to create a diffuse reflection in images. This makes it optimal for photogrammetry because it ensures that the scan has the correct color (not a moving highlight) for the software to process. | ||
- | To get optimal performance a matte black background should be used to prevent reflected light, that becomes un-polarized as it interacts with the backdrop, from hitting the scanned object. In an idealized scenario, the polarized flash would be the sole source of light in the image. | + | To get optimal performance a matte black background should be used to prevent reflected light, that becomes un-polarized as it interacts with the backdrop, from hitting the scanned object. In an idealized scenario, the polarized flash would be the sole source of light in the image., |
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+ | ===== Manuals ===== | ||
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+ | {{ : |