How to change FOV

Changing FOV in Arma 2 is easy, this works for both Arma 2 and Arma 2 OA.

1. Go to Documents/ArmA 2/ and open <username>.ArmA2OAProfile or <username.Arma2Profile as Notepad++ or any other text editing software.
2. Go to this calculator[www.rjdown.co.uk] and calculate FOV, make sure to enter right resolution you use in ArmA 2 or ArmA 2 OA.
3. Search in Google "X degrees in radians", it will convert it to radians.
4. Enter the value you got in radians in fovTop line.
5. To get fovLeft value, take calculator, and divide fovTop number by the second number in your ratio aspect, for me it's 16:9, so I divide it by 9. Then multiply it by first number from aspect ratio, in my case 16. I'm pretty much sure everyone here has either 16:10 or 16:9 screens. Now enter the value you got in fovLeft. You can write same values in both games.