Sorry for long time not respondig 😉
What you just described is what I was talking about. Indeed, Vegas has a built-in Fx, but I never exactly know whether what I am doing is making the image worse or better, the distorsion is not as obvious as with a Gopro, that’s why I wanted some automatic presets designed for specific lenses 😉 (hell, we can dream 😉
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If you want to check out my work =) : https://vimeo.com/timof