Question about Sigma EF-500 DG ST (EO-ETTL II Canon) TTL Flash

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I need a pinout description of the Sigma EF-500 DG ST Flash unit. I'm trying to connect to my Nikon D50.

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: 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.

Posted on Dec 10, 2008

richard191
  • 691 Answers

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

Hello

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

Thanks
Richard Scott
Technical Support
New Zealand

Posted on Dec 03, 2009

  • 72 Answers

SOURCE: Running in TTL mode with

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.

Posted on Jan 14, 2011

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1 Answer

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

1 Answer

Working instructions for Sigma EF-500 flash gun


Unfortunately, the manual for this model is no longer available online (even on the Sigma website). Try searching torrent sites and ebay as a last resort.

Jan 11, 2011 | Sigma EF-500 DG ST for Nikon Flash

1 Answer

Running in TTL mode with Nikon D200, flash EF-500 DG ST NAd, doesn't work. In manual mode everything runs well.


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.

Jan 01, 2011 | Sigma EF-500 DG ST for Nikon Flash

1 Answer

Sigma ef-500 dg st won't work with my d300 or 200 in ttl mode


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.

Dec 14, 2010 | Sigma EF-500 DG ST for Nikon Flash

1 Answer

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
raji

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

2 Answers

The flash is firing at full power all the time when in ttl mode when used on nikon d40 and d5000


My apologies, i now see the flashgun in the title..doh !

You still should be able to adjust the power settings in the menu, but you may need to switch to full manual.

Feb 24, 2010 | Sigma EF-500 DG ST for Nikon Flash

2 Answers

Parts


Unless the flash tube is cracked or broken there may be other reasons why the unit is not working. Try this- power up the unit and hold the back of it near you tear, If the ready light goes on, fire it- if you hear a slight clicking sound- the unit is working but the flash tube is either dead, broken or out of the circuit.

Unless you are experienced in electronics, the flash tube in you unit is NOT user changeable, soldering equipment skilsl are required to replace parts and even small units can harbor lethal voltages that can cause serious injury or even death- even after the unit is switched off.

Consult you local dealer or the distributor for repair services. Ed

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

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

1 Answer

Sigma Flash EF-500 DG SUPER


I use one of my cams with a sigma 500 DG-ST in a nightclub

ive done 3 of the hot shoe connectors in the last year

look up sigma's website and find the contact info
give them a call and they should after some arguing ship you out the parts

every time i have ordered parts they try and get me to send it in for repair even though by the time i am ordering the parts the flashgun is already in bits & i tell them this they keep telling me how dificult it is to do...

for the canon fittment do the following

at the base of the flash remove the 4 screws
this removes the bottom section
unclip the wireing harness
there are 2 screws securing a small metal plate remove them

now there are 4 screws securing the small PCB, remove them, you can now take out the boot from the bottom be careful as the pins and the springs will want to come out
pay atention to the locking pin and how its orientated

swap over the broken boot with the replacement then retrace your steps to get it back together


Sep 24, 2008 | Sigma EF-500 DG for TTL Flash

1 Answer

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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