The fov_switcher_v14.7z file you have requested: Clear Sky / Utilities / STALKER FOV SWITCHER - 10.72mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
This program switches FOV (field of view) by changing xrgame.dll to the corrected one. With expanded FOV (Field of View) appears the sense of dynamics at movement, other perception of surrounding, the world seems more volumetric.