I am posting this information in hopes it is easier to find. It was originally a reply to an earlier post but may not be easily discovered.I believe I have proven the theory that the Canon ST-E3-RT (ver. 2) / 600EX II RT wireless system is dropping w...
Some users on this forum have already suggested this solution for the 600EX-II-RT dropped link issue. Unfortunately, for the vast majority of users, this does not work, Furthermore, many tests have shown that electromagnetic (radio) interference in t...
This is a known issue with the Canon flash wireless radio system (RT system). See the many posts in this forum and elsewhere about the wireless flash link dropping issue. It appears to affect all Canon wireless flashes and triggers that use the Canon...
I got three Godox receivers for of my three 600ex flashes and use the Godox controller on my R5. Works reliably so I was able to preserve my investment in the RT system until I switch away from Canon altogether.
Here is an interesting YouTube video that compares the Canon 600EX II RT flash to an equivalent Godox flash V860III. It also mentions the wireless link dropping issues seen with the RT system and how the Godox system performed in similar environments...
You have fallen victim to the link dropping issue described in the many posts found in this and other forums. It's been going on for years and Canon has not acknowledged the issue nor taken any action the improve the performance. If I were you, I'd r...