Well some manufacturers allow disabling the DFS. In the K7 anything more than 30s will have DFS (whatever your NR settings). K10D was 1 or 2 minutes I think.
Ralf? I'm sure he knows. 2010/9/19 Michael Beacom <[email protected]>: > My Canon 10D does the same thing. I don't think there is a way around it. > > Generally, you take a lot of shorter exposures, and stack them together. The > multiple frames cancel out the sensor noise. > > The shorter exposures don't let light pollution build up, like a longer > exposure will. > > Cheers > Mike > > > On Sep 19, 2010, at 2:21 PM, Thibouille wrote: > >> K7 isn't like by astrophotographers because it is incapable of having >> DFS disabled: in short it means that 1 minute pose means one >> additional minute DFS. >> Imagine for 30 minutes pose.... :( >> >> 2010/9/19 Michael Beacom <[email protected]>: >>> >>> Has anyone used a K-7 for astrophotography? >>> How well did the Life-View feature work for focusing? >>> >>> Thanks, >>> Mike > > > -- > 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. > -- Thibault Massart aka Thibouille/Thibs ---------------------- Photo: K-7, Sigma 28/1.8 macro, FA50/1.4, DA40Ltd, K30/2.8, DA16-45, DA50-135, DA50-200, 360FGZ ... Laptop: Macbook 13" Unibody SnowLeo/Win7 Programing: Delphi 2009 -- 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.
