Question about Canon SPEEDLITE 580EX TTL Flash
When I set my flash up for ETTL mode withe the high speed sync button on, the flash reverts to the ttl mode for no reason. Help?
U can use the H sync button only with the camera set in semiautomatic or manual modes, it dosent work in AUTOmatic modes
Posted on Nov 18, 2007
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Posted on Jan 02, 2017
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