anandkamal: Why do you want directly open cdng in Nuke ? ... In the cinema industry: the digital compositors work their shots a lot with the dpx 10 bits log and Exr for the 3d sequences. 
I read in the past even with J_Ops plugin, Nuke is not able to read dng.

I read in the past even with J_Ops plugin, Nuke is not able to read dng.