You are welcome Rob, and yes, feel free to edit as much as you like and post the results, and of course that goes for all of you, only please keep the pictures here on GetDPI.
I thought as an amateur I wasn't allowed to use 14 bit
Well, honestly I have never been able to see any difference between 12 bit and 14 bit in generous light when I tested it on my 'old' D300.
At some point I need to do some new 12 vs. 14 bit tests with this new machine when I get it back.
I haven't had time to do controlled investigations on diffraction but I believe you are right that it will be clearly visible at f/11 and even slightly visible at f/8 with this scary small pixel pitch.
Here I need to admit that some have told me that diffraction has nothing to do with pixel pitch, but it's still my understanding that it actually
has in some way.
But let's take the diffraction discussion in another specific thread for that subject. For some reason it seems to be a rather complicated discussion.
Please somebody start a diffraction tutorial thread on the most relevant board here on GetDPI.
I assume any noise at low or even base ISO must also have a lot to do with the small pixel pitch.