julian_goldberger Posted July 4, 2008 Share Posted July 4, 2008 Just picked up a used Canon EOS-1N. I have an old Nikon SB-15 Speedlight. Is it safe to use on the Canon? The Canon manual makes it seem like it's dicey. Any help? Many thanks. Link to comment Share on other sites More sharing options...
tommyinca Posted July 4, 2008 Share Posted July 4, 2008 Just tape all the other contacts except the center one. It should work. Link to comment Share on other sites More sharing options...
Michael R Freeman Posted July 5, 2008 Share Posted July 5, 2008 Nikon Speedlights from the SB-10 forward are typically around +5V sync voltage. It should be fine, but if you want to be absolutely sure, measure the voltage between the center sync contact and the ground of a fully charged flash with a voltmeter. Canon instruction manuals will always warn against using anything other than a Canon flash. Coincidentally, Nikon instruction manuals all warn against using anything other than a Nikon flash. See a pattern? It's a CYA statement for warranty claims. But if you do decide to use it, cover all but the center sync contact (either on the flash or on the camera hotshoe), as TTL communication protocols are obviously not compatible. Link to comment Share on other sites More sharing options...
franklin_polk Posted July 5, 2008 Share Posted July 5, 2008 I regularly use an SB-15 on a 1v and a 7ne. I haven't had any problems if I forget to tape over the other contacts, but I usually try to, just to be on the safe side. I measured a sync voltage of around 4 volts. Link to comment Share on other sites More sharing options...
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