Chief has detailed 35 mm film, combined with PrimeFilm 1800 Advanced optics provide uncompromized image quality that traditional flatbed scanners simply can not compete with. PrimeFilm 1800 series includes such excellent image detail with slides, both positive and negative filmstrips, you can retouch any pictures exactly as you want it. PrimeFilm 1800 series covers 1800 dots per inch (DPI) gives you 3 times the resolution of the average desktop scanner. For graphics professionals, this means that you can enlarge the image approx. 20 cm x 13 cm (7.8 "x 5.1"), and 1: 1, 300 dots per inch resolution sufficient for color separation and offset printing.