V6 with the Olympus FL-600R

I just got a pair of V6s and I'm using them with an Olympus FL-600R on a EM10 camera. I got everything to work except for the power control. I'm not expecting to use TTL features, but I'd like to be able to control flash power with the transmitter. Is there any way that I can make this work with what I have?


  • Olympus FL-600R runs on pure digital TTL protocols, which means the V6 is not compatible.

    What you need is the V6 II, which is made for digital TTL flash models, such as the FL-600R.

    You may refer to flash models listed for the Cactus V6 II:

    Thank you.
    Antonio Lao
    Brand Manager

    To help us better help you, always state the exact firmware version installed on your Cactus device(s), such as: "1.1.013", "NIK.A.001", "v.103", or "A06".

    TTL or HSS not working on Cactus V6 II and V6 IIs? Be sure to check hot shoe connectivity by doing the <CAMERA INFO> check.

    Feel free to suggest an improvement or share product ideas. Contact us directly at info@cactus-image.com.  At Cactus, we listen. 
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