Sony 50GB PFD50DLAX Dual Layer Optical DiscThe Sony 50GB Dual Layer Rewritable Optical Disc for XDCAM can record up to 265 minutes of material on MPEG HD422 and store it for an impressive 50 years. Blue laser technology allows this dual layer optical disc to achieve five times higher recording density than a DVD, and the MPEG IMX DVCAM format provides excellent picture quality. You won't be held back by this Sony disc's high write speeds of 25MB s in DVCAM mode and 18MB s in MPEG mode. The