Exclusive Dual Lens ™ System optimizes each scan, automatically selecting from two lenses for the desired scan resolution. 6400 dpi optical resolution delivers unparalleled performance. 4.0 Dmax tonal range provides smooth gradations & fine shadow detail. Anti-reflective optical coatings & a high-reflection mirror offers the highest level of image quality. Includes Digital ICE ™ Technologies so you can automatically remove dust & scratches, minimizing costly retouching. Convenient film holders lets you batch scan multiple slides, negatives, & medium-format film for greater productivity. Operating System Compatibility: Mac ® (OS x 10.2.x - 10.4.x); Windows ® (98 SE, Me, 2000 Pro, XP Home, XP Pro, XP Pro x64); Scan Size (W x H): 8 1/2 in x 11.70 in; Bit Depth of Color: 48-bit Color, 16-bit Grayscale; Buttons: 1.