<http://webisa.webdatacommons.org/prov/371537115>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/269389539> .
<http://webisa.webdatacommons.org/269389539>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/269389539>	<http://www.w3.org/ns/prov#value>	"by hankkarl ?? Wed Dec 03, 2008 5:55 pm One thing I have noticed between Canon and aftermarket lenses, including Sigma is that Canon cares about FF, while the others seem to optimize the lenses for crop cameras." .
<http://webisa.webdatacommons.org/269389539>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kolor.com> .