Pro quality color & detail - get unparalleled scans W/ 6400 dpi resolution & Adv Remarkable tonal range - 4.0 Dmax for smooth gradations & fine Shadow detail Exclusive dual lens system - selects from 2 lenses for optimum results Operating systems: Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP, Windows XP professional x64 Edition and Mac OS X 10.6.X, 10.7.X, 10.8.X, 10.10.X