Question about Canon Speedlite 580EX II TTL Flash
Posted by Anonymous on
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If you are using the outdated wireless IR ETTL with a 580EX II as a Master.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.
Posted on Aug 17, 2014
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Posted on Jan 02, 2017
SOURCE: Canon Speedlite 580 EX II
is your master flash set on a camera? The EX II has something that makes it have a 1 second delay when using sync mode, unless the master flash is set on the camera.
Posted on Jun 02, 2009
Make sure the slave is far enough in fornt of the master flash to see it. If the two flashes are next to each other then the slave is not seeing the master signals.
Posted on Nov 04, 2009
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?
Posted on Jan 18, 2010
Yes. If you were able to set a faster shutter speed, then you would not expose the entire frame and would have the shadow of either the first or second shutter curtain (or both) partially masking the frame.
At higher speeds, the shutter is never fully exposed: before the first shutter curtain has finished travelling across the frame, the second one has stated it's journey. All SLR's have this issue and on some older models you could only use a maximum 1/60th of a second.
In practice though, in dark conditions the "slow" shutter speed does not affect exposure as the true exposure will be determined by how much light the flash puts out, and it puts this light out in as little as 50 microseconds (50 millionths of a second) for a modern electronic flash bulb.
Faster shutter speeds can be used successfully, but only with flashes which operate in high speed mode. What they do is to make the flash burst seem longer by rapidly firing the flash bulb many times. This trick can ensure that there is sufficient light to expose the frame at the highest shutter speeds. Shutters which operate at, say, 1/4000 may seem fast, but compared to the speed at which a single electronic flash burst operates, it's an eternity.
Posted on May 24, 2010
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