Canon Community

Compadibilty of flashes on a Mark 5d II

I have  a 550ex flash  and a  430 ex II.  while im able to have to 2 flashs sync together i find  that the  430 ex II  allows  more functions to be  operated by the camera on this flash..   I'd like to have full function of any flash that i use and  ...

Can a Canon Speedlite 430 EX ll be used with a Canon SX40 camera

60D Won't Trigger Xit xt700e External Flash

Hey guys! Brand new to the forums and also a new Canon user.  I have the 60D with an Xit xt700e flash. It's supposed to be able to be triggered externally but I can't get it to work. It works fine on the hotshoe but not off. I've tried numerous tutor...

600EX-RT on 7D

I have a 7Dand also a 600EX-RT. I am wanting to know that if I buy another 600EX Flash will it work with the radio transmitter on the 7D instead of buying a ST-E3-RT and then another flash later? I am looking for advice and/or suggestions. Thanks

I use (2) 34" shoot-thru white umbrellas. For full length shots the light drops off below the knees.

I would like to know about the light emission characteristics of speedlite 600ex-rt.

What is the intensity of light as a function of time? What is the ignition time? What is the color temperature? Can you recommend some literature on the basics of flash light?

Transmitter ST E3 RT

I really like the autofocus on my  5D mark III and would hate to loose any of it for my wedding photogrpahy.As you know receptions and wedding venues are extremely dark. I have two 600 EX RT flashes now and can't decide between an ST E3 RT or a third...

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...