Yep, the K5 can be set to disable DFS. 2011/6/2 Rick Womer <[email protected]>: > --- On Thu, 6/2/11, mike wilson <[email protected]> wrote: > >> The astrotracer function is rather whizzy. >> >> "The O-GPS1offers the advanced PENTAX original Astrotracer >> function,* which works with the PENTAX Shake Reduction >> (SR) system on select cameras for tracking and photographing >> celestial bodies. The unit calculates the movement of stars, >> planets, and other bodies using the latitude obtained from >> GPS data and the camera’s alignment data (horizontal and >> vertical inclinations and aspect) obtained from its magnetic >> and acceleration sensors. Then, the unit shifts the >> camera’s image sensor in synchronization with the movement >> of the object(s).** As a result, stars and other bodies are >> captured as solid points rather than blurry streaks, even >> during extended exposures. The unit also simplifies >> astrophotography by requiring only a tripod and eliminating >> the need for additional accessories such as an equatorial >> telescope." >> > > If they allow one to switch off the dark-frame subtraction for long > exposures, it might even be practical. > > Rick > > > http://photo.net/photos/RickW > > > -- > 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 KX, MX, SuperA+Motor, Z1, P30 Mamiya C330+80/2.8 Sekonic L-208 FalconEyes TE300D x2 Studio flashes 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.

