Canon Community

600 EX-RT not firing

I bought a set of Canon 600 EX-RT flashes. I am a wedding photographer so I use both of them often on 2 cameras. Unfortunately one of the flashes only fires ever 5-6 times as the other one works just fine. Anyone has similar problems? Thank you for a...

Canon 580EX Flash will not fire. Being shot on a Canon 5D Mark III.

The light  does not start out green and stays red on the 580EX Flash. It doesn't even go into a sleep mode when not activated for a length of time.  Fresh batteries does not make a difference.  It will allow me to change settings but it won't fire. T...

Can 760D (T6s) camera utilize the full functioning of Speedlite 600EX?

Canon Speedlite 430EX III-RT

Will the ST-E3-RT Speedlite Transmitter trigger the Canon Speedlite 430EX III-RT  ?Thank you.

600EX-RT in a soft box. Please post your experiences with the 600 EX-RT and Light Modifiers.

Today I finally received a couple of brackets I was waiting and an addition softbox I had purchased to start experimenting with my 600EX-RT flashes in Soft boxes.   I will be experimenting with a couple different sizes and shapes from one manufacture...

triple head mount with 580exii issue

I have two 580 EX 2 flash and 2 Vivatar 285hv's.  I am using a triple head mount for 3 of the flashes and 1 flash as a rim light.If I use a 580 only on the triple head as a master and the other 580 as the rim as a slave they both fire.  If I use 2 58...

Canon 580 EX not turning off

I've got a 580 EX and it just got weird... There is about a 60-90 second delay between the time the off switch is flipped and the unit shuts down. Also, when trying to power it up, nothing happens until I press the pilot button, then the unit comes t...

580 exii shooting black

ok my 580exii now is firing in ettl but shows a black picture and whewn i goto manual its blows it out like the picture is solid white

Speedlite 550EX not functioning as a wireless slave to EOS 600D

I own a Canon EOS 600D (Rebel T3i). I bought a second hand Speedlite 500EX. It works well when I put it on top of my camera.However, I cannot get it to function as wireless slave. I've made sure the camera and the Speedlight operate on the same chann...

Counterfeit flashes and patent violations

Are Yongnou Flashes counterfeit Canon flashes and do they violate Canons patents since they are copies?

6D, 600EX-RT with 320EX as slaves

I am interested in using 320EX as slaves to the 600EX-RT for taking interior real estate photos. As the rooms get larger, smaller, just add or subtract 320EX as needed. Does this make sense?

420ex or 430ex?

Thanks to those who helped me understand flash in a previous thread.  I've been leaning toward the 430ex as a sort of "starter" flash on my Rebel T2i.  When I went to the camera store, the 430 comes with a $100 rebate that drops the price to around $...

Can't get my 600Ex-Rt to work as off camera slave with Rebel t4i

I cannot get my Canon 600EX-RT to flash using, my Rebel T4i. i have changed the settings on the T4i, under Flash Control to Custom and selected the middle icon option.the camera is in 'P' mode, and the flash is up. on the 600EX-RT its in radio mode a...

learning about flash units

I've been trying to find a good site that explains what to look for in a flash unit and how to match one to both the camera and my typical subjects.  The only flash I ever bought was a Vivitar for my AE-1 Program so I'm somewhat behind the learning c...