Kodak DCR is generated by Kodak DCS Pro camera (DSLR and backs).

Kodak has a set of samples available for download on their developer website (login required - dead link)

MIME type

image/x-kodak-dcr

Organisation

.DCR files are TIFF based.

Compression

The RAW data is known to be compressed using lossless JPEG like in Canon CR2 and Adobe DNG.

Known issues

Some of the files have a .TIF extension.