Looks like you might want to up your Roll expo quite a bit until you are more a custom to FPV in a fixed wing.
Judging by the video quality with the light processing I would say you went with an AIO set up for onboard video huh. I stopped using them after trying the first one because of poor light management. You see how dark even subtle shaded areas get and how long it takes to adapt when transitioning in and out of bright sun to dark to bright again.
You DONT want to be flying too low or close to hard objects when that happens. Its very disorienting and greatly increases the probability of crashing on a day with bright sun and rolling clouds.