Notes On Using Memory Stick Media; About Dcf File Names - Sony WEGA KDE42XBR950, KDE50XBR950, KDE55XBR950, KDE61XBR950 Operating Instructions Manual

Notes on Using Memory Stick Media

About DCF File
Names
Most Sony brand digital still and video cameras automatically record still
photo and movie files using DCF compliant directory and file names.
If you selected the Digital Camera Folders
page 90, you might want to have your digital camera's instruction manual
handy in order to check how files and directories are organized for your
specific model of digital camera.
DCF stands for "Design Rules for Camera File Systems," which are
specifications established by the Japan Electronics and Information
Technology Industries Association (JEITA: former JEIDA).
option, as described on
91