This format is used for storing photos taken with Swedish Hasselblad cameras. It has a RAW image file structure. It is saved without applying automatic corrections. Photographers can edit the 3FR photos by changing the white balance, color correction, and other parameters without sacrificing image quality.
is a format developed for the Shanda Bambook e-books, and is exclusive to those devices. Certain e-books produced by other companies can also view documents of this type. Shanda released its latest device in 2011 which is why this format is not widely used at present.