diff --git a/SceneBasic.cpp b/SceneBasic.cpp
index 8956ee2..facb374 100644
--- a/SceneBasic.cpp
+++ b/SceneBasic.cpp
@@ -653,8 +653,8 @@ Scene::Draw( void)
      // imposto tipo shading
       glShadeModel( GL_SMOOTH) ;
      // imposto illuminazione
-      float LightAmbient[] = { 0.25f, 0.25f, 0.25f, 1.0f} ;
-      float LightStd[] = { 0.8f, 0.8f, 0.8f, 0.8f} ;
+      float LightAmbient[] = { 0.20f, 0.20f, 0.20f, 1.0f} ;
+      float LightStd[] = { 0.35f, 0.35f, 0.35f, 1.0f} ;
       float Light0Pos[] = { 0.8f, 0.9f, 1.2f, 0.0f} ;
       float Light1Pos[] = { -0.9f, -0.7f, 0.6f, 0.0f} ;
       glLightfv( GL_LIGHT0, GL_AMBIENT, LightAmbient) ;