I purchased a sigms ef 500 super flash for my minolta 7d camera because minlota went out of bissness and it is hard buying minlota flashes or to pricey on e bay
anyway it work when i got it but not well
pics were not getting enough light so i played with it and got it better
i put it away for a month and went to use it again and it did not work at all
i called sigma and they told me to send it in which i did and got it back in two weeks telling me everything was ok
set it up again and the flash did not fire
i'm going nuts can you help me
thank you gft
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John, there is a difference in sync times between film and digital flash. It's taken the third party manufactures a little time to catch up so there is a lot of "film" flash units out there. I'm understanding that the Sigma flash doesn't fire at all which is pretty amazing I would have thought it would fire just not at the correct time. This flash isn't a total loss because it can be used wireless with a slave unit for fill or even a main light triggered from a mini transmitter on the camera hot shoe. Here is a link to an e-Bay auction to see what I'm saying. http://cgi.ebay.ca/Wireless-Flash-Trigger-Transmitter-Receiver-4-Canon-/230537528202?pt=Camera_Flash_Accessories&hash=item35ad1b838a
I use this type of system for a location shoot, there are no wires and I can set up and balance my lighting to each set with no more dark backgrounds hope this was a help
Canon EOS 500N has an EF lens mount, so all lenses with Canon EF mount will fit. All lenses with MF and EF-S won't fit. If you purchased Sigma 28-70mm f/2.8 EX, then it have EF mount and will fit EOS 500N.
Yes, if it has a Minolta/Sony mount. The Sigma EF 500 has been producedin different mount, so that the model can fit different cameras from different producers. A Sigma flash for Sony should have SO-ADI written on it.
Always check the batteries first - make sure they have full charge (in the wrong way can discharge them) but if is it still giving the same fault, your flash is faulty. It should be taken to an authorized repair centre for a repair estimate. Very few digital cameras have any user-serviceable parts.
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Thanks Richard Scott Technical Support New Zealand
The Sigma EF-500 flashes have very small chromed contacts for the batteries. Even though they may not look corroded, they may not power up or conduct enough power to fully cycle up. Use a polishing tip in a dremel or an ink eraser tip to clean the internal wire contacts and the flat contacts on the door. I use dielectric grease on a q-tip to apply a coat to all contacts and cleaned battery terminals to minimise future issues.
I've got the same problem with my new ef 500 dg super and my ef 530 dg super. It occurs on all nikon camera's I could get. D70, D80 and Fuji S5 Pro. I don't have this problem with an old (4 years) sigma ef 500 dg super. I will try to contact Sigma for this problem.