The EPSON Perfection 4490 PHOTO is an advanced consumer-level scanner delivering optical 4800 x 9600 dpi maximum hardware resolution and 3.4 Dmax combined with a built-in TPU for scanning 35mm negatives and slides, and medium format. The Perfection 4490 also offers Digital ICE technology for scratch and dust removal from film - at an affordable price. Features of the 4490 include true 4800 dpi hardware resolution,12800 x 12800 dpi maximum interpolated resolution, 48-bit color scanning with 3.4 dynamic range for transparencies,16-bit internal/external and16-bit grayscale scanning, and a high speed USB 2.0 interface standard.