On Apr 5, 2008, at 4:33 PM, Mark Roberts wrote: >> I understood about colour space and RAW files but I do switch to jpg >> quite a bit (shock, horror!!) and wondered why the colour space info >> wasn't embedded in them. > > It *should* be. Perhaps there's a problem with your camera.
Mark, that's incorrect. The Pentax DSLR cameras will set the colorspace to sRGB or Adobe RGB and generated the data according to that colorspace profile calibration but none of them embed an ICC profile into the resulting JPEG file. I made two (one sRGB, the other Adobe RGB) exposures with the K10D, in JPEG mode, and checked a couple of JPEGs I made in years past with the *ist DS. EXIFtool shows the colorspace setting as part of the EXIF information, but there is no profile embedded in the file. If I then open them with Photoshop, it complains there is no profile and asks me if I want to assign one. If I do, and 'save as' to a new JPEG file embedding the profile, EXIFtool shows the embedded profile on that one. Nothing is wrong with Bryan's camera. Or with mine. This is simply how it works. IMGP is the prefix code that says "sRGB data" and '_IGP' is the prefix code that says "Adobe RGB data". Godfrey -- 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.
