Thanks, Bob. The AA filter cuts IR in the K10D, I believe, and it doesn't seem to matter whether the objects in question are warm or cool.
Rick http://photo.net/photos/RickW --- On Mon, 11/9/09, Bob W <[email protected]> wrote: > From: Bob W <[email protected]> > Subject: RE: K10D in low light and magenta concrete > To: "'Pentax-Discuss Mail List'" <[email protected]> > Date: Monday, November 9, 2009, 2:49 PM > > One of the PESOs I posted > yesterday illustrates a frustration > > with the K10D in low light: grey things in the shadows > go magenta. > > > > http://photo.net/photodb/photo?photo_id=10151334 > > > > That curved blurry thing at the very bottom is a grey > steel > > porch rail, and the magenta-tinged flat surfaces > beyond are > > grey concrete. > > > > These were shot at ISO 1600 in RAW, and processed via > > > Lightroom. Generally I'm satisfied with how the > camera > > handled the difficult lighting, except for the shifts > to > > magenta. A series of nocturnal shots in Brugges > last spring > > were ruined by the same phenomenon. > > > > Apart from buying a K7 (which will have to wait a few > > > months), is there a solution? > > The effect seems similar to IR problem that affects the > Leica M8, although > the circumstances appear to be different. Have you tried an > IR cut filter, > just to check? > > Bob > > > -- > 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. > -- 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.
