So, I am playing GR/HUb9. Scoped shots for the most part fill the view with the zoomed image and the scope barrel. Yes, there is a slight bit outside the barrel which is visible (and I believe zoomed).
I am wondering:
(1) When you use a scope, do you keep both eyes open?
(2) If you keep both eyes open, are you still conscious of vision particularly motion with the unscoped eye? (Yes, I am aware snipers go out in teams with a spotter who provides security for the shooter.)
HUb9 has a full screen mod for scopes. It does up the FOV, but I don't use it ... it is nothing like keeping two eyes open. It would only aid in tracking moving targets while zoomed.