From Just Solve the File Format Problem
X3F (or Sigma X3F, or Foveon X3F) is a raw image format used by some Sigma digital cameras that use a "Foveon sensor".
Files begin with ASCII signature "
- See also Cameras and Digital Image Sensors: Software
- Proxel X3F Tools (from archive.org)
- X3F Decoder and Tools
- X3F Tool
- RAW-Samples: Sigma
- RAW-Samples: Polaroid
- http://digikam3rdparty.free.fr/TEST_IMAGES/RAW/HORIZONTAL/ → *.x3f