On Star Wars battlefront for PC if the screen goes one color what do you do

The only time this has happened to me was when i was in a turret in hoth everything turned gray when i zoomed in. i zommed out and everything was back to normal but once and awile it still happens but i have no idea why. The only time this has happened to me was when i was in a turret in hoth everything turned gray when i zoomed in. i zommed out and everything was back to normal but once and awile it still happens but i have no idea why.