How to Use the Sony A7IV A7SIII FX3 Record Button to Trigger Atomos Ninja V Recording Through HDMI

This trick works on the A7SIII, A7IV, FX3, FX30, and some other Sony Cameras Press menu then go to the yellow setup menu. Go to 12 External output - HDMI output settings. Then turn Timecod Output On And Recording Control On. On the Atomos Ninja V go to input - trigger section where it says triggers press it till it says HDMI and make sure it says ON Gear Links: