The Epson Perfection V370 features high dpi optical resolution as well as stitching software that will allow you to scan oversized images and stitch them together seamlessly. (theabundantartist.com)
The Canon Lide 220 has a similarly high optical resolution and 48 - bit color depth. (theabundantartist.com)
Its observing range neatly fills the gap in the spectrum between the Hubble Space Telescope, offering incomparable optical resolution, and the acute Compton Gamma Ray Observatory. (scientificamerican.com)