Interior Light

It's a little dated, but reading through this should help get your head around setting up gamma - http://www.aversis.be/tutorials/vray/essential_gamma_01.htm

Someone must have some sort of knowledge as to what I need to do?

I think I might have found a piece of the puzzle, gamma wasn't set. Now If I apply it it washes all the materials out, do I have to delete all of my materials and re add them ?

Here is what it looks like with a few things changed: No camera modifications Irradiance is set to a multiplier of 3 Instead of Light cache I am using a photon map. This was a render of a previously saved file before I tried a few suggestions from other threads