Spot light Rullo Lightstar 214430 - copper 214431 - bronze 214432 - pink 214433 - yellow 214434 - green 214435 - blue 214436 - white 214437 - black 214438 - black chrome 214439 - gray D60 H100 mm 1 x Gu10 max 50W Polys: 3,790
Verts: 3,6943ds Max 2015 V-Ray 3.6
Who works in the V-Ray version is lower than 3.1. Be careful, in some materials in the BRDF section there is a Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable to you.
For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of materials is customized taking into account PBR