About: http://webisa.webdatacommons.org/423701833

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	Adjusting the focus collar that gets bent when this lens is dropped with the focus set to anything other than infinity can leave the elements it supports decentered or even slightly tilted.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com