<http://schema.org/description>
"Canon Ef-D Focusing Screen\r\n\r\nThe Canon Ef-D Focusing Screen is a precision matte surface with etched grid lines to assist composition. The camera's AF..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.camerasdirect.com.au/canon-ef-d-focusing-screen>