About: http://webisa.webdatacommons.org/319955119

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	But the distortion of the coaxis three-mirror-anastigmat system is often larger than one percent of the image height and past correction is hard, which is unfavourable especially for surveying and mapping camera.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov