About: http://webisa.webdatacommons.org/215664293

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The very fine sand went inside the gap in the rubber focusing ring and center glass elements and whenever I turn the ring there is a grinding sound.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com