On Feb 7, 2007, at 3:25, jim wrote: > On Wed, 7 Feb 2007 00:22:25 +0100, Patrick Genovese wrote: > > I have found that with long exposures, the NR takes a long time to > do it's thing. almost as long as the exposure itself depending on > what shutter speed used. > So I turn NR off for long exposures >
As the noise reduction is a "dark frame" exposure that is subtracted from your exposed frame, and is the same length of time as the original exposure, you should find that the noise reduction takes EXACTLY as long as the exposure itself (plus processing time, I guess) -Charles -- Charles Robinson [EMAIL PROTECTED] Minneapolis, MN http://charles.robinsontwins.org -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
