SOURCE: 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
SOURCE: Canon Speedlite 580EX
Buy the 550EX, it's cheaper
Master /or Slave = 550
Slave = other
Alexander
SOURCE: Wrong owner's manual here for Canon Speedlite 580EX Flash
You can get the proper manual from the manufacturer's web site at http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=316&modelid=14998
Testimonial: "Thank you very much for the help. Best regards, Ash"
SOURCE: Broken flash Canon 580 EX.
Most likely that Capacitor has "Gassed" as we say. It is now destroyed, however usually too the Driver Semiconductors "Blow" as well. I have seen this before, it is not uncommon. An enormous amount of energy is stored in this capacitor and circuit, and they often fail in an explosive manner.
What you need to do, is find a Canon authorised servicing center, contact your local or head office of Canon, and inquire as to a local repair center.
Now when you take the Flash in for repair, please ask for a 'Quote" before allowing any repair work to commence, this then will allow you to make an informed decision as to repair or replace.
It is hard to give an exact cost but I would expect, that around $80.00 to $125.00 for the basic repair, would be about right for a repair. BUT depending on what exactly was wrong, it could very quickly escalate.
I think you may find, that the cost of repair, may even approach, the cost of a new unit? This is also why getting a "Quote" is beneficial.
However if you can desolder and solder, could obtain the EXACT Rating and Value Capacitor and Semiconductors, (read ALL damaged bits) and were prepared to do a little work, it is entirely possible to repair this unit oneself. but be very careful when doing so, as flash guns can give a very very nasty "Bite" (speaking from experience :) lol)
SOURCE: SPEEDLITE 580EX TTL Flash: flash is making a constant beating/clicking noise ...
Loosen the two small screws under the flash on the swivel head. Turn flash on. You may need to twist the head just slightly. Flash bulb moves back and forth in the swivel head when zooming. If you dropped the flash, this may have jarred it from the track. I had the same problem with mine, and the above solution fixed it. Zoom works again and no clicking noise. Let me know.
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