About: http://webisa.webdatacommons.org/101882753

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	To get even a tiny amount of depth of field, the smallest aperture your camera is capable of will need to be used, which in turn means long shutter speeds will also need to be used.
http://www.w3.org/ns/prov#wasQuotedFrom	reefkeeping.com