Next I tried one of the proprietary resolution-changing programs, Perfect Resize. I used the default parameters.
The crop of the NEX-5 image looks like this:
The crop of the NEX-7 image looks like this:
The crop of the D3s image looks like this:
Here’s the Nikon image sharpened to match the Sony images. It’s night and day when compared to the Sony images. I guess this kind of operation is not Perfect Resize’s long suit: