ENG. Chaos Group has made available V-Ray for Nuke. A new approach (words of Chaos group) to lighting and compositing that integrates production-quality ray traced rendering into NUKE and NUKEX. 
ITA. Chaos Group ha reso disponibile da oggi Vray per Nuke. Un nuovo approccio (parole di Chaos group) alla gestione della luce e al compositing. Le caratteristiche di V-Ray per Nuke: 

V-Ray for NUKE features:

Multithreaded CPU rendering
Highly optimized, adaptive ray tracing
Precise path traced global illumination

Render elements
36 beauty, matte, and utility render elements

NUKE ReadGeo – Alembic, FBX, & OBJ
V-Ray proxy objects – Alembic & vrmesh
V-Ray scene files – vrscene

HDR image-based environment lights
Rectangular & spherical area lights
Mesh lights
Photometric IES lights
Ambient light
NUKE lights – Light, Direct, Point, and Spot nodes

NUKE projection cameras – Project3D node
Depth of field
3d motion blur
Spherical, cylindrical, cube & fish eye camera types

Physically-based materials
Multi-layered materials
Subsurface scattering & skin material
Car paint material
Material overrides
NUKE shaders – Diffuse, Emission, Displacement, UVTILE

Memory efficient tiled EXR and TX files
Displacement & subdivision
Dirt & occlusion
Utility & override textures

Link: VRay for Nuke
introduction video: Youtube