About: http://webisa.webdatacommons.org/107444786

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	However, when a refracting optical element such as a lens is placed in the image-forming optical system according to the present invention, chromatic aberration occurs markedly in comparison to an arrangement formed from prisms alone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com