I use a seperate camera for fpv, the runcam eagle 2 to be precise. I do not know if the session 4 can output analog via USB. By flying FPV with racing quads I wouldnt recommend it as well since most/ all of the time with HD cams the latency is high and the USB port of the session is quite vulnerable in this way.
Bro you have amazing spacial awareness. Proximity flight in that tight an area is not easy let alone falling backwards off line and not hitting trees as you bend a turn before going forward again. Truly amazed. :applause: