Options

On the Video tab of the options screen.

Option	What it does	Default
Improved materials	Metal reflects its surroundings; leather, cloth and stone stay matte.	On
Improved lighting	More natural sunlight, shadows and haze.	On
SMAA	Smooths jagged edges.	On
Exposure	How bright the picture is: -0.5 to +0.5.	0
Ambient occlusion	Shade in corners and creases: Off, Low, Medium or High.	High
Anisotropic filtering	Sharper ground and walls at a slant: Off to 16x.	16x