Corona does really delivers high quality renders in acceptable time thanks to its unbiased ray tracing capabilities , and at the same time its presented in a simple to use user interface which is well integrated into Cinema 4d , the material editor is somewhat similar to the Cinema 4D one and provides you with the needed layers to create your materials with a very fast material preview sphere/shapes.

Features:
-Progressive rendering and bucket rendering
-Global illumination ( path tracing and HD cache )
-Depth of field and Motion Blur
-Corona Material
-Basic displacement
-Full support for C4D’s 2D Shaders
-Basic support for Cinema 4D materials
-Physical Sky and Sun
-Area Lights

System Requirements:
Maxon Cinema 4D R14-21
OS:Microsoft Windows 7 SP1,8.1,10 or newer)

Home page – https://corona-renderer.com/blog/corona-renderer-3-for-cinema-4d-released/