I don't know why it works from a technical point of view, but it works:-). The K20D yields very good high ISO pics with noise control set to the minimum. If I get the results I want, I don't worry a lot about why I got them. Paul Paul On Jun 29, 2008, at 4:57 PM, Toralf Lund wrote:
> Paul Stenquist wrote: >> In truth, the K20D is an excellent high ISO performer, [ ... ] > I've been meaning to ask some questions about this for a long time, > since it doesn't really make sense to me when people say that a > certain > camera is has a good high ISO performance. I mean, doesn't the ISO > setting just multiply the signal? Shouldn't that mean that the > performance is exactly as good, relatively speaking, at high ISO > values > as it is at low ones (and vice versa)? Or is what people really mean > that the noise under low-light conditions is better controlled > (regardless of the ISO setting as such)? Or does the sensor actually > have an improved dynamic range that doesn't show up at lower ISOs > because the A/D cuts of part of the signal? Is this what "extended > dynamic range" is all about? Or, alternatively, is everyone merely > talking about the quality of the built-in image enhancement > software (in > which case I'm not really interested..)? > > Just thought I might mention it, since the subject was brought up yet > again... > > - Toralf > > > > -- > 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.