What is .x3f file?

Sigma Camera RAW Picture File is a raster image. Images are uncompressed.
Files always begin with ASCII string "FOVb".
File extension is .x3f.

Software handling .x3f files

Rest7 Free Online Converter

Structure of .x3f images

Sorry, we haven't updated this section yet.

Is it important? Ask for update

Real world .x3f samples

If you have graphics of this type, please upload them below: