Nissin Digital Nissin i40 series support High Speed Sync in Canon, Nikon, Sony and Four Thirds system. Due to Fujifilm X-Series doesn’t support High Speed Sync function, firmware update on cameras will be necessary.
Currently we are still waiting the reply from Fujifilm that if they can release the High Speed Sync firmware update. The schedule for Nissin i40 Fujifilm version have to be postpone.
We will update to our website and Facebook page once the update schedule is available.