Archived posting to the Leica Users Group, 2002/03/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 3/26/02 11:09 AM, "John Brownlow" <lists@johnbrownlow.com> wrote: > For example, a scanner which can capture 12 bits is capable of representing > 4096 distinct shades of gray (ignoring color for the moment). It's > *theoretical* dynamic range is therefore > > log10(4096) - log10(1) > > Which is 3 and a bit (sorry don't have slide rule handy) Sorry, what I didn't say explicitly is that THIS is the number the scanner manufacturers use for their Dmax. - -- John Brownlow http://www.pinkheadedbug.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html