Hello, Ive heard this problem came up from Arma II and still not fixed.
Sometime when you zoom in with a vehicle like Offroad Cal50 (happen 100% of time) or other armed vehicle, you get stuck with the 100% zoom with is really annoying because you cant see anyone near by you. Oh but these target at 800m you can! Anyway would be nice to have a fix on this because it have never been fixed.