1. Go into virtual arsenal.
2. Select any rifle that can take an AMS, ARCO, DMS, Kahlia, LRPS, MOS, MRCO, Nightstalker, NVS, RCO, TWS or TWS MG scope.
3. Equip one of the listed scopes.
4. Click try
5. Press "-" 1 or 2 times to make sure you are max FOV
6. Right click to scope in
7. Right click again to unscope
8. Note how FOV is now zoomed in