Wow, thanks for the extra photos. What was the lens that you used for the rear element?
I like your approach, even if it sounds like a lot of trial and error would be involved. ; )
I recently recalibrate the rear element on my 16F to get it sharper, the required adjustments are very very small. so I suspect the slight blur on the right side of your photos are due to the alignment (not the rotation, but the z-space alignment) - or do you see this as symmetric in the uncropped output?
Using the Cinelux as the front element makes sense to me. I find mine pretty super sharp - I typi