> A couple things; first, there's a byte and a half (12 bits) worth of > data per pixel in the raw file, not just 1 byte worth. With the D60 > (and 10D/300D?), there's also a half-size JPEG hiding in there. The > RAW image data is slightly compressed in the .CRW file, but not all > that much. If I remember correctly, the top 10 bits are compressed > with something ZIP-like, while the bottom 2 bits are kept as-is, > because they're too noisy to compress much.
The dprevview states that the 20D features a new simultaneous, i.e. not-embedded?, RAW/JPEG feature. Would that influence the numbers?
The Other Ken
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