On Sat, Feb 25, 2006 at 02:16:05PM -0700, Joseph Tainter wrote: > "I don't expect compression; it might save a few MB (based > on estimates with compressed DNGs), but I'm not sure there > is enough processing power available in-camera for this." > > Why not? The DS and DL are able to compress RAW files. > > Joe
They don't compress. They pack two 12-bit quantities into three 8-bit bytes (unlike the D, which pads out to 16 bits), but there's no true compression - 9MB of data takes up 9MB of RAW file size. A compressed DNG created from that same raw file, though, can quite often be as small as 6MB.
