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<http://webisa.webdatacommons.org/prov/142023413>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/42399210> .
<http://webisa.webdatacommons.org/42399210>	<http://www.w3.org/ns/prov#value>	"substrate 10 such that objective lens 35 is mounted relative to SIL 20 to provide an optimal focus for a beam of light passing therethrough. Objective lens 35 may be made from a glass or a plastic such as polycarbonate." .
<http://webisa.webdatacommons.org/42399210>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/42399210>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .