About: http://webisa.webdatacommons.org/292326566

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	In addition, because of the shorter focal length, off-axis aberrations such as coma, astigmatism, and field curvative must be corrected by the lens.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es