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X3F Image Format


Format Name 

Filename extension

Sigma Camera RAW File



A file with the X3F file extension is a Sigma Camera RAW Picture file, a high-end digital photo format also known as the Foveon X3 format or "FOVb". Using the SIGMA Photo Pro software provided with the camera to download and manipulate the photos. The Foveon X3 direct image sensor captures all three colors at every pixel location and requires special software to manipulate the RAW files. Support the image data, thumbnails, preview images, and text property information.





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