L. Scofield
Veteran
That's about 7:5, which is wider than 4:3.
And at 110 and 250 degrees, the visible area is beyond the limits of the given circle, again suggesting that something wider than even 7:5 is preferable.
4:3 is 1.33. 7:5 is 1.4. What a difference.
16:9 is 1.77 and of course there's cinema's 2.35:1 which I think I don't need to convert.
IMAX completely encompasses the visual field and it is 4:3.