Question about Canon EOS-1Ds Digital Camera

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Problem with Flash

I have been using the Canon 580EX flash and for some reason it would not work on my Canon Eos-1DS. It works on my Canon 20D just fine. I haven't used my 1DS for a while. Any suggestions?

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Friend here in UK had the same problem and fix it by doing this.

  1. Remove the flash from camera.
  2. Have the firmware updated of camera,can be downloaded from Canon website,using the camera's serial number to activate the download.
  3. Extraxt the downloaded software on CF Card via card reader.
  4. Do firmware update on Canon via Meu settings.
  5. Make sure you have the battery fully charged

  1. Reset all custom functions,
  2. Switch it off and remove the battery.
    Wait five to ten minutes and put the battery back.
  3. Switch on take picture.
  4. Put flash on and take picture.It might work now.
  5. Do you custom functions and see if it's working.
  6. If not take bothto a dealer or Canon repair shop.


Posted on Aug 29, 2008


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Posted on Jan 02, 2017


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Hi Joelgue,

Now, go to a real camera store and bring your equipments with you.

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I have a Canon 580EX Flash and wanted to know if you have the Quantum Turbo Battery with the Adapter Cord for my 580EX?

Ask to see if you can test them out.

This adapter does not go into the 4AA battery hold but to the flip out cover, AC Adapter. You need to plug it into the flash.

Press "On" from the Q battery, then set flash to "Master" on camera and other EX to "Slave".

Turn all three on(1st flash, 2nd flash and camera.

Do not press shutter button but press the pre-flash(pre-auto lock/flash) on camera body. On the EOS-1Ds Mark III has "*".

Both flashes should come on.

Now, press the camera shutter using "ETTL Modes" and look at the image from the LCD exposure correct?

Address to this address from now, please:

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