Sony PFD-50DLA (PFD50DLA, PFD-50, PFD50) XDCAM / XDCAM HD dual layer optical disc media 50GB
The new dual-layer disc, model PFD50DLA, has a total storage capacity of 50 GB. Professional users can record up to 4 hours 30 minutes of high-definition content on the dual-layer disc when shooting with MPEG HD420 mode at 18 Mbps, or 3 hours 20 minutes at 25 Mbps and 2 hours 30 minutes at 35 Mbps. In DVCAM mode, users can get about 3 hours 10 minutes of content onto the new disc.
The PFD50DLA media is compatible with new XDCAM HD products planned for availability in September 2008, including the PDW-F355L camcorder, PDW-F75 deck and PDW-U1 Drive Unit. The dual-layer disc is also designed for optimum performance with future versions of the XDCAM system.
Using blue-laser technology, the new dual-layer disc can attain high density recording more than 10 times capacity that of a consumer DVD (4.7GB) using red-laser technology.
The dual-layer PFD50DLA is a 12cm (5 inch) rewritable optical disc with a track pitch of 0.32 �m, encased in a protective cartridge thats designed to be resistant to dust, shock and X-rays.
With both the new dual-layer disc and original single-layer version, users can expect a minimum of 1,000 read/write/erase cycles and 1,000,000 read cycles, under specified operating conditions, and an estimated archival life of more than 50 years, according to Sony testing.