Most people are familiar with the iconic look of the side mounted Graflex flash, the one that's always attached to those bellow-bodied folding Graflex cameras in old movies and TV shows.
This bright flash was often used as a comedic element, something that would blind the characters and deliver a laugh, but did you know it was also used to make movie history?
This video by DigitalRev In-Focus reveals how crafty prop builders used the battery tube from the Graflex flash to create the iconic lightsaber Obi Wan passed on to Luke and inadvertantly made movie history.
-Via Boing Boing