Very dark materials Cycles Render So I finally gave this model textures and materials and it looks fine in material view but in render view the whole model is just pitch black. Strangely enough, the render looks fine in Blender Render mode. Here is my nodes setup/material view:


Here is download link for mesh with materials and image textures with UV's :
https://www.dropbox.com/sh/mfyoougy6qflmdz/AABd0cniihD1OHWT77W00HN3a?dl=0
You have to disable the alpha channel for the normal maps by unchecking the "Use Alpha" boxes.