see some info here on the nikon one
https://www.closeuphotography.com/scanner-nikkor-ed-7-element-lens
Ok, that is totally new information for me. I need to keep eyes open for the lenses.
Yesterday I digitized two rolls of 135 film. It took only few minutes and I got really a contact sheet fast and with superb quality. It is so close to enlarging resolution. This thing is just amazing.