> So you are saying a 22 bit ADC is overkill. Wonder if Pentax knows that? > The marketing people probably don't know, or care; they only know they can quote a higher number than the competitors.
The engineers probably deliberately chose to have extra bits, so as to avoid problems with accumulating round-off errors etc. in the processing stages. > BTW, Rob's explanation was clearer, but still not documented for my > curiosity. > I'm not sure this can be considered an authoritative reference, but at least it contains some actual numbers: http://micro.magnet.fsu.edu/primer/digitalimaging/concepts/dynamicrange.html - Toralf -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
