VISTA, CA and TUCSON, AZ. August 23, 2005. Aperio Technologies, the leading provider of virtual microscopy systems, and Roper Scientific, Inc.'s Photometrics division announced today the completion of a distribution agreement whereby Nippon Roper, Roper’s Japanese subsidiary, will exclusively market and support Aperio’s line of ScanScope® Systems in Japan and China. The companies will launch their partnership at the Fourth Annual Meeting of the Japanese Telepathology Society at Mie University in Mie Prefecture on August 26.