It is required: game "S.T.A.L.K.E.R.: Clear sky" version 1.5.04 or above
Size: 3 KB
With this spendthrift when aiming through "optics" the sight will move a little, as well as in the majority of shooters. We can't tell, whether realness increased from it, but to players snipers will be exact more difficult now. It is a pity only that opportunity to hold the breath wasn't fastened.
Place the gamedata folder from archive in the directory with game.