Can a Canon EOS 5D Mark IV trigger a 430EX III-RT wirelessly without a transmitter?
Asked 11/11/2016
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I’m trying to use a single Canon Speedlite 430EX III-RT off-camera with my Canon EOS 5D Mark IV and assumed the camera had a built-in wireless flash trigger. The flash’s link light stays red, so it doesn’t seem to connect.
Can the 5D Mark IV directly trigger an RT flash by itself, or do I need extra hardware? If extra gear is required, what type of trigger or master unit would work?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
9y ago
2 Answers
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The Canon EOS 5D Mark IV has a built-in Wi-Fi radio with NFC (Near Field Communication) capability. It does not feature a built in radio transmitter for communicating with RT flashes.
You'll need either a Canon ST-E3-RT or Yongnuo YN-E3-RT to control off-camera RT flashes using wireless radio. You could also use a wireless optical controller such as a Canon or Yongnuo ST-E2 or an optical master flash such as the 90EX.
Originally by user15871. Source · Licensed CC BY-SA 4.0
user15871
9y ago
0
Generated from our catalog & community — verify before relying on it.
No. The Canon EOS 5D Mark IV does not have a built-in flash radio transmitter for RT Speedlites, so it cannot directly trigger a 430EX III-RT off-camera by itself.
What it does have is menu support for external flash settings. That means the camera can control compatible flash options through its menus when a suitable master/transmitter is attached, but the trigger hardware is not built into the body.
To use your 430EX III-RT wirelessly off-camera, you need one of these:
- a radio transmitter/master such as a Canon ST-E3-RT or Yongnuo YN-E3-RT
- an optical wireless controller such as an ST-E2
- an optical master flash such as a Canon 90EX
So the red link light is expected if you’re trying to pair the flash directly to the camera with no transmitter. For RT radio wireless, add an RT-compatible transmitter or master unit.
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