you've almost certainly heard of six-color printing, with the extra ink colors making it easier to print at true photo quality. but i'll bet you haven't heard about six-color scanning . that's because the scanners you're used to all use three colors for scans.
Six-color scanning yields excellent color quality; Scans photographic prints and film; Can scan up to 16 slides at once
Scan software is cumbersome in some ways and sometimes slow to react to a command