The longer you run the CCD the hotter it becomes the more the noise builds up... My guess is that in bulb mode the images quickly become unusable at higher ISOs.
Charles Robinson wrote: > On Jan 23, 2008, at 13:03, Godfrey DiGiorgi wrote: > >> - Bracketing by a trip pressure >> > > Bracketed exposures with one press of the shutter button.. > > Interestingly enough, the ISO setting is 100-6400 for everything but > BULB mode, where it's restricted to 1600. Wonder what's going on there? > > -Charles > > -- > Charles Robinson - [EMAIL PROTECTED] > Minneapolis, MN > http://charles.robinsontwins.org > > > > -- I am personally a member of the Cream of the Illuminati. A union with the Bavarian Illuminati is contemplated. When it is complete the Bavarian Cream Illuminati will rule the world -- Anonymous -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
