Question about Sigma EF-500 DG for TTL Flash

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Minlota 7d camrea useing sigma ef 500 super flash

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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Re: minlota 7d camrea useing sigma ef 500 super flash

Check circuit of inside the flash,and clean the circuit, and check all the compenents..may be drysolder, chaeck every thing...

Posted on Oct 06, 2007

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Need manual for sigma ef-500 dg super minolta version

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.

Apr 02, 2013 | Sigma EF 500 DG ST for Minolta TTL Flash

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Hello there. It seems that the Sigma EF-500

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.

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

Oct 24, 2010 | Sigma EF-500 Super for Canon TTL Flash

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Sony alpha 350

I have a sigma EF 500 ST flash guns which I bought with nikon F75 some years ago. Would this flash work with canon 500d

May 13, 2010 | Sigma EF-500 ST TTL Flash

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Can I use a sigma flash EF 500 with Sony Alpha 350

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.

Apr 25, 2010 | Sigma EF-500 DG for TTL Flash

2 Answers

Manual for Sigma EF-500 DG Super

You can download the manual from
Just answer a few quick questions about its performance, value for money etc and the link to download the manual opens up. Just be careful, because there is also a manual for the Nikon version of the same flash and they are a little different.

Hope this helps.

Apr 01, 2010 | Sigma EF-500 DG Super for Canon EOS TTL...

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Sigma EF-500-DG, does not charge and does not become ready


Thank you for using FixYa for your problem

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.

Please rate our solutions and if you still have problems please call back for more ideas to help you

Richard Scott
Technical Support
New Zealand

Dec 03, 2009 | Sigma EF-500 DG Super for Canon EOS TTL...

1 Answer

1. Sigma EF-500 DG ST 2. Quantaray 7500A

A: For Sigma issue:

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.

Nov 20, 2008 | Sigma EF-500 DG for TTL Flash

2 Answers

Replacement shoe for Sigma EF-500

I had the same thing happen. Sent it into Sigma, they replaced it for 50 bucks.

Feb 03, 2008 | Camera Flashes

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Replacement shoe for Sigma EF-500

send it to a sigma agent thay can replace the broken part

Nov 02, 2007 | Sigma EF-500 DG for TTL Flash

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Problem with underexposed pictures

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.

Nov 01, 2007 | Sigma EF-500 DG for TTL Flash

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