The realism_graphic_mod_v2.0.zip file you have requested: Modifications / Single Player / Q to R Titles / Realism Graphic Mod (2.0) - 1.05mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R. Shadow of Chernobyl and upload any files you want to share or are missing. This is the only information we could locate:
Realism_graphic_MOD_v2.0 by edomaeIt is MOD which pursued a realistic light and shadow. I measured RGB color of light of the sun from a photograph and reflected it for a game."Solar color","whole luminosity", "depth of shadow", etc. of al This graphics mod makes many changes to the game. It changes the lighting and shadows to me more realistic and give the game a deeper atmosphere.