How can I remotely trigger and control Canon 320EX/430EX II flashes with a Canon 6D?
Asked 7/10/2015
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I’m shooting water-droplet photos with a Canon 6D and want to use off-camera flash. I already have a Canon 320EX and may add a 430EX II. Since neither flash will be on the hot shoe, I need a way to trigger both remotely and, ideally, control flash power from the camera. This matters because I want very low flash power for short flash duration to freeze droplets.
What are the practical triggering options with this setup: sync cable, Canon optical/IR wireless, or radio triggers? Can the 320EX and 430EX II be remotely power-controlled off-camera, and if so, what kind of transmitter or trigger system is required?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
11y ago
2 Answers
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If you need to remotely control the power of the 320EX, then you have two choices: Canon's near-infrared wireless system, which would require that you get a 550EX, 580EX, 580EXII, 600EX-RT or ST-E2 to put on the 6D's hotshoe; or you get TTL-capable radio triggers that allow for remote power control through the 6D's hotshoe (e.g., Yongnuo YN-622C triggers). Neither of those flashes you're looking at are compatible with Canon's RT radio triggering system.
The 320EX, however, isn't really ideally suited for off-camera use, because of the power control issue. If you have a flash with a Manual mode and power control from the flash's own LCD menus, then you don't need all this fancy stuff, and can get away with cheap manual triggering, and just setting the power level on the flashes.
You could also contemplate getting two Yongnuo YN-560III or 560IV flashes, and a YN-560-TX transmitter, and you'd have remote power control over both flashes. You wouldn't have high-speed sync or eTTL or any of the other fancy features that Canon's EX speedlites could get you, or Canon reliability, but it would cost a lot less.
Originally by user27440. Source · Licensed CC BY-SA 4.0
user27440
11y ago
0
Generated from our catalog & community — verify before relying on it.
Yes—both flashes can be triggered off-camera, but remote power control depends on the system.
For the 320EX, if you want to control output remotely, your realistic options are:
- Canon’s optical/near-IR wireless E-TTL system, using a master on the 6D hot shoe such as a 550EX, 580EX/II, 600EX-RT, ST-E2, or even a 90EX.
- TTL-capable radio triggers that pass Canon E-TTL information, such as Yongnuo YN-622C-type triggers.
A simple sync cable or basic manual trigger will only fire the flash; it will not provide full remote power control. Splitting a sync cable may fire multiple flashes, but it still won’t give you E-TTL control.
Also note: the 320EX is less ideal for off-camera work because it lacks convenient manual power control on the flash itself. A flash with its own manual power settings is easier for droplet photography, where very low power is often used to shorten flash duration.
Finally, the 320EX and 430EX II do not support Canon’s newer RT radio system directly.
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