About: http://webisa.webdatacommons.org/395185705

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	This is done so that a linear shape focused light surface can be formed in the irradiation surface or its vicinity when the focal point position shifts due to aberrations such as astigmatisms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr