    (fov_calc_FS9_Rus.bat)     
      "FOV"  Microsoft Flight Simulator X (FS9). 
            FS9,
         .      ,
     .      
    (   )    .
 ,         
        "+"  "-"  FS9   
             
     FS9.       ,
          .     
          
  ,      TrackIR c  ZOOM  FS9  
     .

: 
  zip       fov_calc_FS9.bat  fov_calc_FS9_Rus.bat
        ,     3  
FOV.*     "Flight Simulator Files",   "FOV"   
 FS9    "FOV"  FS9.

 : 
  19    1440*900        65 .
      17.5 .  
"FOV"  FS9,            
 ,         .
 "+"  "-"    ,  17.5     
,       ZOOM 1.31 FS9     .
      FS9  17.5*2= 35 .  
          . 

  "FOV"            
   ,      ,    
   ,   ,   .   
      ,        , 
         ,   .
  ,     ,    "FOV"   
  FS9,   ,      "FOV".
  ,         .

        !

 FOV     -    Vital
    calc.exe  - Ryan Shillington 
http://cmdlinecalc.sourceforge.net/