What makes Foveon sensors different from other regular sensors?

Unlike regular sensors that capture information of just one color per pixel, the SIGMA sensors are revolutionary full-color image sensors that are capable of capturing full-color information with a three-layer structure. This removes the necessity for color interpolation, and makes images in principle free of color artifacts, which means that there is no need for a low-pass filter. Foveon sensors can capture all the light and color information, creating high-resolution three-dimensional images that look very realistic.

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