About: http://webisa.webdatacommons.org/297125499

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 most likely place that dust is causing problems is the mirrors and lenses after the lamp but before the final lens.
http://www.w3.org/ns/prov#wasQuotedFrom	bigscreenforums.com