Canon Community

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

More consistent ETTL II flash exposure with 580exII or 430exII

Canon stated that the ETTL II is designed to treat the exposure as a "plane" and not as "point" to correct the inconsistent exposures due to various reflections. When I shoot in large, dark room,  the subjects at the front rows are well exposed, howe...

Give me all details about Canon speedlite 600 EX

 I am using  a canon EOS 7 D camera  and  I  am thinking about to buy a speedlite (preferably 600 EX) I wish to learn more about the item. Could you please help me ?