With ultra-high 4800 dpi optical resolution and unprecedented film scanning capability, the CanoScan 9950F is ideal for photographers and other high-end users with serious film scanning needs. The built-in film adaptor unit can scan up to 30 frames of 35mm filmstrip in a single pass, 12 x 35mm slides, medium and up to 5" x 4" large format film. The dual USB 2.0 Hi-Speed/FireWire (IEEE1394a) interface and film automatic retouching and enhancement (FARE level 3) technology ensure fast, professional results every time.