The only thing I would add to Igor's excellent summary of the various file formats, camera option settings, etc., is to mention that TIFF was, in fact, available as a RAW format on the Pentax *ist-D and *ist-DS.
-- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.