Can one transmitter trigger both Yongnuo RF-603 II receivers and YN600EX-RT II flashes?
Asked 3/7/2021
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I use Yongnuo RF-603C II triggers with some flashes via sync cable, and I also use YN600EX-RT II flashes in the Canon/Yongnuo RT radio system. Is there any transmitter or setup that lets one on-camera unit trigger both systems at the same time? Ideally I’d like either an RF-603C II or a YN600EX-RT II/RT master to fire both the RF-603 II receivers and the YN600EX-RT II slaves, and still allow remote triggering if possible.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
5y ago
2 Answers
4
Nope.
They use the same frequencies, as do most current wireless radio flash systems. But they use different protocols. In other words, they speak different languages.
The YN560/RF605/RF603 is one of two Yongnuo developed protocols. The other is the YN622 system. And while YN622 units made after the end of 2014 can receive YN560 commands, they can't send them.
The YN600EX-RT II clones the Canon RT protocol, as does the YN-ET-R3 II (and any of Yongnuo's other units with "RT" in the model name).
Originally by user15871. Source · Licensed CC BY-SA 4.0
user15871
5y ago
0
Generated from our catalog & community — verify before relying on it.
Generally, no. The RF-603 II system and the YN600EX-RT II/Canon RT system may use similar radio bands, but they use different wireless protocols, so they cannot directly trigger each other.
The usual workaround for mixing incompatible flash systems is stacking two transmitters, but that’s not practical here because RT transmitters typically don’t provide a usable hotshoe passthrough for mounting and firing an RF-603 II transmitter in the same chain.
If you need to trigger a non-RT flash from the RT system, one answer noted the discontinued Yongnuo YN-E3-RX receiver as a possible bridge: it can receive RT signals and trigger a cabled flash. But with standard RF-603 II receivers, there isn’t a single transmitter that will directly control both RF-603 II and YN600EX-RT II devices together.
So the short answer is: one transmitter for both systems, no; a bridge receiver for the non-RT flash, possibly.
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