What John and Mark said and a little underexposure combined with a gradient and posterization shows its ugly face. http://en.wikipedia.org/wiki/Posterization
On Thu, Jun 5, 2008 at 2:38 PM, William Robb <[EMAIL PROTECTED]> wrote: > > ----- Original Message ----- > From: "Toine" > Subject: Re: Werid artifacts > > >> It's underexposed. The colors of the sky are in the left part of the >> histogram. If you adjust exposure in the raw converter it makes things >> even worse. The left part of the histogram has less data and a smooth >> gradient like this sky makes this visible >> > > Here's the unadjusted camera raw histogram. > http://users.accesscomm.ca/wrobb/temp/weirdscreen.jpg > > I like John and Marks explanation. > > thanks gang > > William Robb > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.