roland_skye Posted July 10, 2004 Share Posted July 10, 2004 Hi i am student. i have an assignment due. I have a canon rebel 2000. I no longer have the manual. can someone please tell me what shuter speed my camera will sync with the canon 550ex. i have to shoot this today. yikes Link to comment Share on other sites More sharing options...
ian bucholz Posted July 10, 2004 Share Posted July 10, 2004 Is that an EOS camera? If it is, according to Canon; "Speedlite 550EX is compatible with all EOS models. " Link to comment Share on other sites More sharing options...
roland_skye Posted July 10, 2004 Author Share Posted July 10, 2004 it is, i just dont know what shutter speed is the fastest that syncs with the flash Link to comment Share on other sites More sharing options...
tony_b Posted July 10, 2004 Share Posted July 10, 2004 The max syncro speed is 1/90 s when the flash is on normal position, any speed with FP flash mode Link to comment Share on other sites More sharing options...
roland_skye Posted July 11, 2004 Author Share Posted July 11, 2004 what does "FP" stand for? Link to comment Share on other sites More sharing options...
jimstrutz Posted July 11, 2004 Share Posted July 11, 2004 FP = Focal Plane. It stands for high speed sync with focal plane shutters. It does this by rapidly pulsing the flash for the duration that the shutter curtains travel across the front of the film. Problem with it is it vastly lowers the effective GN (power) of the flash while doing this neat little trick. It works for fill flash if you aren't too far from your subject. If you want more power, you're stuck with 1/90 sec. or slower. BTW, if you have a non-dedicated flash, the Rebel 2000 will sync to 1/125. But for sales reasons Canon chose to cripple the Rebels with the slow 1/90. Link to comment Share on other sites More sharing options...
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