The Rollei Diafilm scanner DF-S100 can scan both 35mm neagtives and slides to a resolution of 2520x1680. You can either view the images on the 6.1cm colour TFT-LCD screen, through your television, download onto your computer throught the USB cable or straight onto a SD/MMC card. This scanner is simple to use with "one-button" scan function, fixed focus, automatic exposure and automatic colour balance. The operating system you will require if you are using this through you computer is, PC: Windows ME, 2000, XP or Vista. MAC: OS 10.4.