Question about Canon Speedlite 580EX II (1946B002)

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ETTL to TTL

I have two 580ex II's and I use them on both my 7D and my 40D. Occasionally while shooting quick candids and manually adjusting aperture and shutter speed, my flash will switch it's self from ETTL to TTL and the only way that I've found to get the flash back to ETTL is to turn everything off, remove the camera batteries, including the internal battery and reset the camera. Does anybody else have this problem?

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Posted on Jan 02, 2017

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SOURCE: 580ex switching from ettl to ttl

I´ve been having the same problem with my 2 580´s. Sent one to Canon but still has the same problem. How did you solve your problem?

Posted on Feb 06, 2010

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1 Answer

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 week...


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If you are using the outdated wireless IR ETTL with a 580EX II as a Master.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.

atdlee@netzero.com

May 20, 2014 | Canon Speedlite 580EX II TTL Flash

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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.

atdlee@netzero,com

Oct 21, 2012 | Canon Speedlite 580EX II TTL Flash

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I have a new 580EXII mounted to my Canon 7D. I do not seem to getting the "double flash" (not sure what the technical term is) that I expect and pictures are coming out dark. I'm think...


Holly, I believe you are referring to the pre flash for the ETTL function. both flashes happen so so fast that it looks like one flash. If your pictures seem dark make sure your flash is set to ETTL (press the MODE button unlit ETTL is displayed) this way the flash output is automatic. If it is still too dark you can change the flash output by adjusting the FEL (flash exposure composition) by pressing the button in the center of the dial until +/- is displayed the turn the wheel to select a + exposure (you can adjust this in 1/3 stop increments) then press the center button again. This can be found on pg 14 of the manual
Hope this helps.

May 24, 2011 | Canon Speedlite 580EX II (1946B002)

1 Answer

Canon 5D and canon 40D are they type A or type B cameras as per 380 EX manual


Hi Bruce,
You have the latest cameras and they will work with ETTL II with Canon 430EX/550EX/580EX and 580EX II. Earlier models use ETTL and films use TTL.
Hope they are helpful.
atdlee@netzero.com

Jan 13, 2010 | Canon EOS 40D Digital Camera

1 Answer

Reverting to ttl - master flash not firing


Hi Kate,

What camera that you are having problem with those flashes?
Will switching the two have the same problems.
Make sure it is fully pushed forward into hotshoe & locked:-)

Try shooting second current, this will save you the repair costs.

Your exposure compensation was set to zero, but was your flash compensation set at zero?

atdlee@netzero.com

Jan 04, 2010 | Canon Speedlite 580EX II TTL Flash

1 Answer

580ex switching from ettl to ttl


I´ve been having the same problem with my 2 580´s. Sent one to Canon but still has the same problem. How did you solve your problem?

Dec 17, 2009 | Canon SPEEDLITE 580EX TTL Flash

2 Answers

The flash burns the photo, over over exposure,


Are you using PocketWizard FlexTT5? There are reported issues damaging 580EX II. See this link:
http://www.flickr.com/groups/pocketwizards/discuss/72157623362956049/

Oct 27, 2009 | Canon Speedlite 580EX II TTL Flash

1 Answer

I have a canon rebel camera,i also have a canon 20d. I am using the 580ex 2 flash but is not getting the correct result,lot of underexposures in doors.What settins should I be using on the camera and...


I had the same problem with a 400d and 580exmkii however the problem seemed to disapear when i used a white plastic flash defuiser over the unit.(available from stores or ebay) also note this model produces a lot of underexposure and some brand of batt heat up very quickly. For indoor set to camera to manual and flash to ettl. Best of luck.

Aug 11, 2009 | Canon Speedlite 580EX II TTL Flash

1 Answer

Canon SPEEDLITE 580EX TTL Flash Problem: Flash will not stay in ETTL mode


u can use the H sync button only with the camera set in semiautomatic or manual modes, it dosent work in AUTOmatic modes

Oct 23, 2007 | Canon SPEEDLITE 580EX TTL Flash

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