The name stamped on the camera body and lenses. Since none of us can tell simply by looking at a photograph, what camera model and what lens model it was taken with, and there are literally millions of very nice photos taken with other brands, the above is what makes a Pentax.
That and it was in "A Hard Day's Night". Tom C. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net