The canon xf100 high definition camcorder is canons smallest camcorder to include an mpeg 2 50mbps 422 full hd codec it records mpeg 2 mxf media exchange format files up to 1920 x 1080 full hd at 50mbps 422 to relatively inexpensive and widely available compactflash cf memory cards relay recording across two card slots allows filming to continue without interruption whilst double slot recording lets you store the same footage to both cards