Microtek ScanMaker i900 Flatbed Scanner 6,400 x 3,200 dpi optical resolution 48-bit color depth, 16-bit grayscale; 4.2 optical density ColoRescue technology restores faded photos and film Batch templates for 35mm slides, strips, 6-by-9-cm, and 4-by-5-inch media USB 2.0 and FireWire IEEE1394 connectivity; PC and Mac compatible