In another venue, posterization has been under discussion. I can see two possible ways of dealing with it.
The first one is to use higher ISO, which will increase the noise, and therefore the dithering, emoothing out the edges between zones. The second one is to lower the ISO, reducing the contrast, giving you more bits between EV, so that there is more resolution per EV. I suspect that the only thing that will work in a lot of cases is to simply avoid the photo ever being processed into a JPEG. -- 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.
