About: http://webisa.webdatacommons.org/78055554

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	You can also get optical slaves that ignore the preflash and would trigger a flash such as the sb-800 which could then use its A mode or manual.
http://www.w3.org/ns/prov#wasQuotedFrom	dailyphotographytips.net