Epson Perfection 4870 PRO Scanner 4,800 x 9,600 dpi optical resolution, 12,800 x 12,800 dpi interpolated 48-bit color depth, 16-bit grayscale; 3.8 Dmax Transparency adapter built into lid with 4 film holders Professional software bundle including LaserSoft SilverFast Ai 6.0 USB 2.0 and Firewire connectivity; PC and Mac compatible