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The Obstacle map and the Aperture map must have the same resolution. Your render and the maps used do not always need to have the same resolution, but the more similar they are in resolution, the less diffraction distortion you will get. The aperture map should be black with white specifying the shape and size of the aperture. The obstacle map should be white with black areas specifying dirt or scratches on the lens surface.
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Some of the Aperture mapsthat come withincluded in the Maxwell installation |
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Some of the Obstacle mapsthat come withincluded in the Maxwell installation |
The Diffraction effect can also be applied to any high dynamic image. Simply load a HDRI using the File> Load Image option and apply Diffraction to it.
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