Canon 580EX Support Question
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Question posted by david9028 on May 16th, 2011
What Is The Flash Duration For Canon 580 Exii?
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Current Answers
Answer #1: Posted by LTGmama2010 on May 16th, 2011 10:44 PM
Canon's 580EX manual and 580EX II manual state that normal flash duration (I am assuming at full power) is 1.2milliseconds (1/833 seconds) or shorter. Quick flash duration is 2.3milliseconds (1/434 seconds) or shorter. This is the most info I've seen from Canon. Shame on them for not providing more info.
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