File consists of a lowpoly proxy mesh connected to a highpoly mesh using the free Connect Poly Shape plugin.(http://www.lightstorm3d.com/download/html_en/cps.htm) By using this you can easily change the resolution of the high poly mesh.
The scene is set up to be rendered in Mental Ray. The bumpCombiner shader is used, it can be freely found i.e. on highend3d.com
The object file includes the mesh in 3 different resolutions and the texture files, but no materials etc.