Running on triple monitors. After some personal experimentation, i've found that 20-30° is simply too low. The fisheye effect is less severe but everything looks too zoomed in and the sense of speed disappears.
I've found that the most immersive results come from using a mathematically correct FOV (so the viewport size and in game fov are the same). Which in my case, with 31.5" monitor at 73cm from my eyes, is 51° according to an online calculator. You still get fisheye, but i think the only way to fix that with triple monitors would be by somehow enabling multi-projection (each viewport renders a completely separate image at a different angle), which modders probably can't do.
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Edit: It works I followed this guide https://www.youtube.com/watch?v=XBYW8vSJTLI
After some personal experimentation, i've found that 20-30° is simply too low. The fisheye effect is less severe but everything looks too zoomed in and the sense of speed disappears.
I've found that the most immersive results come from using a mathematically correct FOV (so the viewport size and in game fov are the same). Which in my case, with 31.5" monitor at 73cm from my eyes, is 51° according to an online calculator. You still get fisheye, but i think the only way to fix that with triple monitors would be by somehow enabling multi-projection (each viewport renders a completely separate image at a different angle), which modders probably can't do.