Uses a CMOS sensor is all they're saying. Almost certainly one of the new Sony ones.
http://www.dpreview.com/news/2014/02/05/ricoh-promises-reference-products-including-cmos-645d-at-cp?utm_campaign=internal-link&utm_source=news-list&utm_medium=text&ref=title_0_3 -- Mark Roberts - Photography & Multimedia www.robertstech.com -- 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.