On 27 Oct 2004 at 18:27, Mark Roberts wrote: > They are linear response devices, but that doesn't mean they have to use > linear quantization. As far as I know, all film scanners use logarithmic > quantization. (Though my Minolta and Kodak scanners both have an > *option* for linear quantization, I can't see why I'd ever use it.) I > don't know why a digital camera would be set up to use linear > quantization, though I admit I have no knowledge of whether they do or > don't.
So it has an ADC that can be switched between lin/log quantization? I though gamma correction was applied post during post processing and most if not all ADC combined with imaging sensors were linear in response? Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
