Resolution

1. Resolution test using Chromium on glass USAF-1951 test target. We can see that group 7 Element 6, which has 228.1 line-pairs/mm (11587 dpi) is clearly resolved.  Compare to a commercial 6400 dpi scanner, captures using transparency setup of the scanner at 6400x6400 dpi.
   

2. 
   

3. (the resolution of the commercial scanner is surprisingly low, I am not ruling out a malfunction. However, it is not the first scanner I see that is performing below its
   

4. nominal resolution)

Image from a commercial scanner rated at 6400dpi Optical Resolution.

Image from a the prototype scanner