High detail, for close-up angles use Turbosmooth (all objects are anti-aliased). Turbosmooth Render Iterations 2 is enabled by default.

Materials for Corona and Vray. If your version of V-Ray is lower than 3.1, please note: in the materials in the BRDF section there is Microfaset GTR (GGX). In older versions of Vray, the BRDF field will be empty. Choose Blinn, Phong or Ward.