Yongnuo flash are very popular for water drop photography, especially because some models have built in wireless receivers, like my YN560-IIIs. I have had these a few years now and they are still going strong. I have the flash paired with the RF-603C II wireless flash trigger.
There are two ways to use the wireless trigger
- with the trigger connected to the camera
- with the trigger connected to the dropController
Wireless Trigger Connect To The Camera
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A quick note, for water drop photography, as well as any high speed photography, use the flash in manual mode. TTL doesn’t work for high speed stuff.
The RF-603C II wireless flash trigger is designed to sit in the cameras hot shoe and forward the flash trigger signal to the flash, and when used like this for regular flash photography the system works well and is very reliable. This method can be used for water drop photography but I recommend connecting the wireless trigger to the dropController not the camera.
The dropController allows the flash to be triggered via the camera, or directly from the controller. Unfortunately, the RF 603 II doesn’t have a trigger input port, there is a port but it’s out only, and to enable a trigger input you need to add a hot shoe adaptor.
When using the dropController, as well as some of the other water drop devices, there are two main ways to trigger the flash, either from the camera, or from the controller. I advocate using the controller as this gives the best control over the flash. There is an issue though, the only way to trigger the Yongnuo RF-603 II is through the hot shoe. This means you need to somehow connect the dropController to the hot shoe input on the wireless trigger. There is a 2.5mm port but this is output only.
[image – RF 603 II]
[image – RF 603 II – 2.5mm port – input only]
The easiest way to to add an input to the RF603 is to use a hot shoe adaptor. There are a few different apadtors that work and most can be bought quite cheaply. When buying an adaptor, it is important thing to check is that it has a port that can be used for input (either PC Sync or jack socket). Some adaptors, like the RF603 has output only ports.
I have used JJC adaptors for many years and have been very happy with them. JJC make a range of models that are suitable such as the JSC-2, JSC-8, and JSC-9.
Here is the JSC-9 attached to the Yongnuo RF603 II.
And here is the RF603 II wireless trigger attached to the dropControllerV4 via the hot shoe adaptor
The dropController comes with a 3.5mm to PC Sync lead. This can be used to connect the dropController to the hot shoe adaptor via the adaptors PC Sync port.
If you have a 3.5mm jack to 3.5mm jack lead you can connect the dropController via the adaptors 3.5mm port. Either a mono or stereo lead will work.
Setting Up The Yongnuo Flash With The RF603 II Wireless triggers