Fujifilm GFX 50S: Sync Speed No Longer an Issue

When the Fujifilm GFX 50S was announced many complained about the lack of a leaf shutter, and it’s relatively slow flash sync speed of 1/125 sec. This disappointment, lead to a back and forth among photographers of various skill levels and a lot of misinformation all in the pursuit of a solution. Early on it was discovered that the Fujifilm EF-X500 would support HSS on day one, but many photographers wanted studio strobes.

FujiAddict has been at the forefront of this discussion since day one, which is why I worked with B&H Photo and RoboSHOOT to get my hands on an affordable, high-quality lighting kit that could potentially give GFX owners reliable, portable, studio performance and HSS. I won’t bore you with how my equipment choices came together here, but RoboSHOOT’s interpreter is incredibly robust, which allowed me to easily use HSS with my Impact Venture TTL-600 and Nikon Transmitter reliably.

Now that RoboSHOOT firmware 2.1 is available to the public I have encountered some additional confusion from photographers, and I have even run into some that won’t believe that it works until they see proof. So this post is for those that are leery of HSS on the Fujifilm GFX 50S. I opened an album on my 500px page just for HSS photos and will be reviewing lighting systems as I gain access to them. So far I am very pleased with the Impact Venture TTL-600 and the photographer I collaborated with to create the above photos, Depot MSA said, “the light coming from them is very clean and the system reminds him of working with Profotos.” and if you like the model you can follow Dayna here.

So if you want to reproduce my results all you need is Impact Venture TTL-600 and Nikon Transmitter, 2nd Impact Venture TTL-600, RoboSHOOT MX-20, Fujifilm GFX 50SFujinon GF 120 f4 R LM OIS WR Macro, Fujinon GF 63mm F2.8 R WR and 2 Light stands (or you can have an assistant hold them since the come with handles).

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  • jonasyuan.com

    Thank you for sharing!
    I have a cononmark version of that light which I trust it with serious work.
    However, a slow sync speed camera with hss flash is still not as efficient as a higher sync speed camera with hss, because the flash has to work overtime for duration and brightness suffered. https://uploads.disquscdn.com/images/9ff05adbca16a9ee30791388037e8f24211b0fe155561035f07c67d6ad29dfdd.png

    • I’m aware of the slight draw back of needing a more powerful light, but very few lighting kits sold today wouldn’t be powerful enough. Plus it’s not like you’re going to be firing the strobe quickly on a medium format camera.

      • jonasyuan.com

        Well, good for you then. I use a 5ft oct box and it just not gonna work with the light lost.

  • jonasyuan.com

    Right now the best camera for outdoor flash photography in Fuji’s product line is x100F, leaf shutter is king!

    • X100F is fun to experiment with, but it has some issues syncing at times. Leica Q is also good. Leaf won’t always reliably sync all the way up to 1/4000 wide open unless designed to do so, which most are not. At least most leaf shutter cameras won’t stop you from trying…

      • jonasyuan.com

        It can, you need core sync or a Cybersync system, the basic one will do.