CanoScan D660U is a flatbed image scanner with 600 x 1200 dpi resolution incorporating the following features. 1. Film Adapter Unit (FAU) is bult in the scanner for scanning negative and positive films. 2. Canon's proprietary VAROS (Variable Refraction Optical System) technology allows 1200 dpi resolution in the horizontal scanning direction when using FAU to scan films. 3. High-performance CCD and cold cathode fluorescent lamp used as light source achieve high speed and high signal-to-noise ratio image quality. The lamp has high reliability. 4. The one-touch start button starts the accompanying software, and the FAU button allows easy film scan. 5. Color gradation is naturally expressed by reading at 14 bits per RGB channel and outputting at 8 bits. 6. The scanner is easily connected to the host computer through a USB interface.