in news:Xns95F772E1020F3jgrimbertmeandmyself@203.29.75.35 Le Forgeron 
wrote:

> All digital camera do compress (with loss).
> 

No, SLR's and the top viewfinder cameras support a 'raw' format that is 
uncompressed. It is kind of a direct output of the sensor. With the right 
software these data can be turned into (at least) 12 bit colour images.

Ingo