This guide will tell you How to turn on FidelityFX CAS for MORE DETAIL in Call of Duty Modern Warfare 2.
If you turn On the Fidelity FX, it will increase the sharpness of your screen and it will help you to see and locate people in the game. First, you have to click on the settings button in the top right corner of your screen and then select Graphics from the drop-down menu.
Under post-processing effects, you will get the option of fidelityFX Cas. You have to turn this ON.
