I'm with Godders on this one... Maybe something to do with the type of window. For example, argon gas between the panes or a UV (or some other insulating filter) on the glass could cause weird colors that may otherwise not be noticed by your eyes. Better to test outdoors in "real" natural light.
-- Christian http://photography.skofteland.net Godfrey DiGiorgi wrote: > Hmm. I would be inclined to think that there's some odd refraction > happening through the window which is not visible to the eye. I > understand the captures are well-underexposed, that would exacerbate > the appearance of the rainbow. > > Test with other lighting ... particularly one in which there is no > glass in the light path. > > G > > On Jan 30, 2007, at 6:53 PM, David Weiss wrote: > >> Godfrey, >> >> As to your questions below: >> >> Light source was sunlight through the window. With the amount of snow >> on the ground, a lot of that light was reflected sunlight. I adjusted >> the white balance manually and it seemed fine. >> >> I am going to check it again with other light sources and some other >> subjects and without underexposure. >> >> No filters used or hood, but light was at my back so no light entering >> lens at oblique angles. >> >> Thanks for the reply. >> >> I sent a note to pentax USA, referring them to my images. Hope they >> take a look. >> >> >> Dave >> >> > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

