Speedlite Flashes
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Canon 600 RT 2 not reading Batteries

this has been discussed numerous times in this forum.  The flash will not recognize the batteries and displays a blank battery symbol with a line through it.  Some of the fixes have been centered around the adapter for the filter causing an issue.  i...

photopro by Contributor
  • 0 replies

Resolved! Missing Wide Panel Causing Speedlite 430EX II to Not Zoom.

Good Morning, so I was recently gifted a canon 430ex ii speedlite, which was a kind gesture; but the more I use it the more I understand the person's willingness to give it away.So the Wide Panel diffuser that usually slots into a compartment at the ...

itsVasty by Apprentice
  • 2 replies

Speedlite 600ex-rt battery problem

HiI have just bought a 600ex-rt ... But the batteries I put in it (which are all new) only result in a "replace battery" sign and the flash refuses to switch on.I have tried 3 new sets of batteries, all are top grade lithium batteries, is there a kno...

Resolved! What is your favorite Speedlite and why

My favorite speedlite is the 600EX II-RT it has plenty of power and has the best IR AF Assist Beam coverage of any of speedlite. Then the radio vs optical triggering is better using radio.-Demetrius40D, 5D IV, EF 16-35mm F/2.8L III, EF 24-70mm F/2.8L...

Speedlite 600EX-RT link drops - please help if you can!

I suddenly have the same problem a couple others have mentioned.  I use an ST-E3-RT to link three 600EX-RT flashes with a 5D MIII.  Recently the link started randomly dropping on all the flashes (after some random amount of time from 1.5 minutes to a...


Hello, i have a problem, i hace an R5 and a EL-1 and always use the ETTL II but yesterday i didnt use the camera and the flash and today the flash shoot the flash w the trigger and comunicate fine w the camera and on all the other modes shoot normal ...

Canon SPEEDLITE 600EX II-RT stuck in wireless mode?

Hi all, I got a SPEEDLITE 600EX II-RT.  Today, when I take it out.  (I have batteries already installed).  I notices my LCD screen have a ORANGE GLOW even my Flashlight is "OFF".  I turned it on, and it looked like it stuck in Wireless mode.  I try t...

Question about the 600EX-RT - Optical slave mode

Hello.  I'm a long time Canon user and I'm pretty familiar with the gear, but my 600EX has got me stumped.  No matter what I do (and I have read and viewed the YouTube videos and gone through the manual until my eyes blur), I cannot get the 600EX to ...

FhvnEd by Apprentice
  • 6 replies

430ex II output won’t adjust in manual mode

I have 2 430ex II flashes.  I’ve used them for years with out issues.  One of them will not not adjust the output in manual mode. It stays at full power.  When I compare the two flashes to each other.  The only noticeable difference is on the one not...

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