20 Most Recent Canon Speedlite 580EX II TTL Flash Questions & Answers

This depends on the mode you have selected on the flash gun. If you have Multi selected you will get the strobe effect. The strobe effect is all so present to help the flash set the correct exposure. It's not a problem with the flash or the camera. Spend some time reading through the flash gun manual. I have to admit it is not always clear. Also try Youtube for a video.

Canon Speedlite... | Answered on Sep 23, 2017

Place flash on camera.
Go into camera's flash menu and change your setting there.

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Canon Speedlite... | Answered on Nov 19, 2014

You can actually set the external flash not to fire in the menu settings of your camera. Check there or try mounting the flash on your camera, turn both on and reset your camera to factory default settings through your camera menu settings.

Canon Speedlite... | Answered on Sep 07, 2014

More info needed: Will the flash fire when you push the test button? Have you rest the camera you're using to factory defaults while the flash is mounted on the camera and turned on?

Canon Speedlite... | Answered on Sep 07, 2014

try setting the flash on manual mode

Canon Speedlite... | Answered on Aug 28, 2014

If you had the ATG Gold MG8k Flash Kim X3, then your 430EX II or 580EX II can transforms into wireless radio ATG ETTL II.

If you are using the outdated wireless IR ETTL with a 580EX II as a Master. Then you have to set the Slave (ATG/580EX II/430EX II) body facing close to the Master.

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Canon Speedlite... | Answered on Aug 17, 2014

Power goblers - these flashes hate week batteries :(

Canon Speedlite... | Answered on Jun 12, 2014

Your flashtube is defective.

Contact Alzo Digital, CT, USA.

Canon Speedlite... | Answered on Jun 06, 2014

You must disable the 580EX II form using the 4AA.

4AA must be needed when using hv power pack.

Just let the 4AA use & display the LCD panel.

More help, repairs & troubleshooting send me an email.

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Canon Speedlite... | Answered on Dec 13, 2012

You didn't say what camera model you are using.
If you have 7D/60D/T4i you can have a total of 3 wireless ir flashes.

580EX II must be set at Master, say Group A & Channel 1
Two 270EX II must be set at Slave, say Group A & Channel 1
One 270EX II set at Group A & Channel 1
Second 270EX II set Group A & Channel 2

Then go into camera menu & turn off Master flash & turn settings for those two flashes.

Send me a email, then I can help you much better.

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Canon Speedlite... | Answered on Dec 13, 2012

What camera model are you using?
Try this:
1. How flash on camera.2. How USB cable to camera to Window PC.3. Run my software (EOS Utility)4. Click on Camera Settings/Remote Shooting5. Click on flash menu.
Any questions?
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Canon Speedlite... | Answered on Oct 04, 2012

Usually if my flash isn't firing I check to see if the flash is mounted into the hotshoe properly. I take it off the camera, put it back on and tighten it down then test it.
If that doesn't work then check the display of the flash and see what mode you are on or if the display is flashing. If it is flashing then the wide angle adapter may be covering the flash which you will need to take off and put back inside the flash. It's that white plastic tab that slides in and out of the flash head.
Hopefully that will fix it.

Canon Speedlite... | Answered on Apr 05, 2011

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