corona converter

Got to the web site and download corona converter script
www.racoon-artworks.de
http://www.racoon-artworks.de/CoronaConverter/CoronaConverter.html

drag and drop the script in the viewport
before we start the conversation process we will see the vray render .
this is what the render looks like
now we hit the start conversation option and at the end show bitmap in the viewport
now start the corona render
we need to adjust the TONE MAPPING a bit. Set the Exposer to -4.0
one the render is at desirable result stop the rendering.