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Re: Sigma ef-500 dg st won't work with my d300 or 200 in...
This Sigma flash is not Ittl compatible. The D300 and D200 Nikon must have Ittl compatible flash to operate in any of the Automatic modes. It is a great flash but will not work on those two cameras.
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You may download a copy of the manual from here. It's for the Pentax version of the flash, but I don't see anything in it that's Pentax-specific except for the mention that's it's Pentax-specific.
this flash is not compatible with the d200. i had one and sent it back to sigma, they upgraded the software in the flash for free. now it works in all modes, it needs to be iTTL to work on the nikon d200 the NAd version is not iTTL.
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
IS the flash being used on a compatible model camera? If I understand the numbers that is for a Pentax camera and is incompatible with other brands of cameras.
Double check the flash to see which cameras it is dedicated to and check to see that the flash contacts are clean on the cmaera and flash. Otherwse it will need to be sent to Sigma for repair.
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.
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