On Dec 13, 2006, at 9:59 AM, Cory Papenfuss wrote: >>> ... *before*. The common thought previously was that RAW provided >>> unaltered A/D data of the sensor. That may or may not have been >>> true, but >>> at least it *could* have been. Now with truncation necessary, it >>> *cannot* >>> be true that a RAW file contains unaltered digitzed sensor data. >> >> You seem to believe that putting a 22-bit digital signal processor >> in the >> data path somehow affects the need for truncation of the data from >> the >> sensor. That isn't true. Either the sensor+ADC combination is >> capable >> of delivering more than 12 bits of signal (in which case >> truncation will >> be necessary somewhere), or it isn't. >> > Of course it doesn't. What it *does* allow for is a different > gain for the three different channels for wider dynamic range. That > "gain" is a function of settings like colorspace and white balance.
Or it might not be anything user adjustable at all. You're making assumptions here. Godfrey -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
