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

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I have been using my Canon 580ex ii with my Canon 5d mark ii. It will not fire at all now. I also tried my old 420 ex speedlite and it will not fire either. But, they both work on my Canon 40d.

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.
4/18/2022 10:39:49 PM • Canon Speedlite... • Answered on Apr 18, 2022
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The flash ratio between a master unit mounted on my Canon 5D Mark II and slave doesn't work properly. A couple of shots are fine but then all of sudden the slave unit fires ar full power, then a few w

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 If you are using the outdated wireless IR ETTL with a 580EX II as a Master.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. [email protected]
4/18/2022 10:37:14 PM • Canon Speedlite... • Answered on Apr 18, 2022
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Canon 580ex II strobe issue

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.
9/23/2017 6:17:33 PM • Canon Speedlite... • Answered on Sep 23, 2017
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Unlock setting on Cannon Speedlite 580EX II

Place flash on camera. Go into camera's flash menu and change your setting there. [email protected]
11/19/2014 3:27:44 AM • Canon Speedlite... • Answered on Nov 19, 2014
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Speedlite 580 pilot light on but flash wont fire

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?
9/7/2014 10:26:12 AM • Canon Speedlite... • Answered on Sep 07, 2014
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580 ex 11 flash not firing at all but pilot light is on?

try setting the flash on manual mode
8/28/2014 4:15:19 PM • Canon Speedlite... • Answered on Aug 28, 2014
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Flash display is on but pilot does not light up and the flash does not burst

Power goblers - these flashes hate week batteries :(
6/12/2014 12:33:41 PM • Canon Speedlite... • Answered on Jun 12, 2014
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Speedlite 580 ex 11 powers on but never flashes

Your flashtube is defective. Contact Alzo Digital, CT, USA.
6/6/2014 1:32:51 PM • Canon Speedlite... • Answered on Jun 06, 2014
manual
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Canon 580 EX refiring is Very slow....missing some good portraits of kids when I see they are underexposed or not exposed. How do I in erase refining rate. Batteries are new. Do I need to I crease

Increase your ASA/ISO to a higher number.Lower your Shutter Speed.Lower your F Stop.Try fresh 4AA Energizer Lithium.
1/15/2013 4:09:39 PM • Canon Speedlite... • Answered on Jan 15, 2013
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My canon 580 EX II stops firing even with new batteries

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 protected],com
12/13/2012 1:26:50 AM • Canon Speedlite... • Answered on Dec 13, 2012
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Canon 580exii speedlight, I want to only use the slaves, but they won't fire when I turn off the master

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 1Two 270EX II must be set at Slave, say Group A & Channel 1or One 270EX II set at Group A & Channel 1Second 270EX II set Group A & Channel 2Then go into camera menu & turn off Master flash & turn settings for those two flashes.Send me a email, then I can help you much [email protected]
12/13/2012 1:22:39 AM • Canon Speedlite... • Answered on Dec 13, 2012
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The E-TTL does not appear in my canon speedlite 580exII anymore, only shows Manual and Multi-, is it faulty now?

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 [email protected]
10/4/2012 2:43:43 PM • Canon Speedlite... • Answered on Oct 04, 2012
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I have a canon 60d

Hello,
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.
-Matt
4/5/2011 3:06:28 AM • Canon Speedlite... • Answered on Apr 05, 2011
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I just purchased a Rebel

It would appear to me that the flash was not locked in position and has move back on its mount which would cause the flash to go into complete manual mode or loose complete communications between camera and flash.
I would suggest shutting the camera and flash off remove the flash first unlock the little locking leaver on the bottom. The 580EX and the 580EX II differ in that the 580EX II has a leaver rather then the huge locking screw. Once apart reinsert the flash unit back into the camera hot shoe making sure that the forward edge of the flash mount is seated as deep into the Hot Shoe as possible and lock it into position. It should click into lock position. Biggest thing I have with my "crew" is when there is a flash installed on the camera they pick the camera/flash unit up by the flash that's a real bad thing cause the flash mount is light plastic and it'll ether break, twist or even unlock the flash enough that the camera falls off of the flash. Pick the assembly up with both hands lens and body. I'm not saying you are doing this but when my crew/working associate's do this I'm not happy.
Although that new switch idea is great it also can be unlocked without noticing.
Diagram
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1/6/2011 3:34:22 PM • Canon Speedlite... • Answered on Jan 06, 2011
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