Canon Community

Trouble with HSS on 430 ex

I have a 7d camera and 430 ex speed lite. On my last two shoots I had trouble in that my high speed sync would not stay activated after a while. It would shut itself off and the flash would not trigger as well as having the "H" disappear on the speed...

Iso set to auto and camera adjust it to 400 with flash unit On

What about that ?! In Av, Tv and Manual modes, when the flash is turned on, that my ISO settings are on AUTO, when I pressed half shutter, the camera set the ISO back to 400!Now I have to fix my iso manually to 800, 1600 or else to be able to catch s...

No communication with camera

I have had my Speedlite 580exii for a little less than two years.   It has rarely been used.  I am a DJ and I sometimes take pictures.  The flash does not seem to be communicating with the camera.   The contacts are clean.   I know it is not the came...

Canon Speedlite

Looking for a small flashgun. Are units like the canon 270ex and upwards all fully compatible with 5D mk lll?

New 7D has trouble talking to 430Ex speedlight.

Regardless if I have the flash control set to external only or both. I turn on the external flash, it show the channel etc. I pop up the on camera flash and enable both. Standing right in front of the 430 and pressing a test flash, nothing . Going ar...

How external Flash works as slave. 420ex & 430ex

Camera Canon 40DSpeedlites Canon 420ex & 430ex. how I can use these two speedlites as slave with Canon 40D without Flash a tigger. Do the camera pop-up work as Master flash or is there any other way?

430EX - trouble with the wireless setting

If anyone could help with this i'll appreciate it greatlyI hold in zoom on the flash to switch on the wireless options, but the moment i press my shutter button half way to AF, the wireless options dissapear. Did i accidentaly enable a function that ...

REGARDING THE SPEEDLITE 600 EX-RT.....I HAVE NOTED A NON-RT MODEL...WHAT DOES THAT MEAN?

Does anyone know if the 270 EX II can be used for AF assist on the EOS 5d?

Does anybody use a 270 EX II ?

I do mostly outdoor photography but I am thinking about getting a 270 EX II speedlight. I just wanted something small and compact to throw in the bag in case I needed a little more flash than the pop-up offers. Does anybody have a 270 and what do the...

Canon 277T Speedlite as a Remote?

Hi, can the Canon 277T Speedlite be used as an off-camera remote flash unit using an optical slave trigger? I am trying this set-up: my Canon 277T is mounted in the hotshoe of a Nisha Programmable Digital Slave Unit (FSU-DIG), which is an optical sla...

Getting the 270EXII to work remotely

I have set the speedlite as the slave. How do I set the camera as the master? What other settings do I need adjust in order to make the speedlite fire remotely?

Some questions to Canon on how ETTL works

OK Canon. I have been in many threads and read quite read a lot of your documents and others work like the great Syl Arena.  All types of tests and theories.  It really does not make a lot of difference to me as I view ETTL as a good tool in a busy m...

Came across some 600EX-RT tech info

during my searches http://cpn.canon-europe.com/content/education/technical/speedlite_flash_system_for_eos.do

600EX-RT review

Here is a review a member created and posted at Canon Rumours posted. http://markwebbphoto.com/blog/2012/6/canon-600ex-rt-review