Perry - Promaster lists one on their web site that they claim, with their Pentax module, will work with the Pentax DSLRs, including the K10. Light output is GN 35 at ISO 100.
-P ----- I forgot about this one. But I suspect that it has the same problem as a flash from Sigma. You need to replace the chip when you get a new camera model. Joe -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

