Dino-lite am73115mtf edge usb 3.0 far working distance handheld digital microscope, 5mp, 10x-70x dino-lite edge am73115mtf is a ‘far’ working distance usb 3.0 model providing uncompressed viewing to deliver exceptional sharpness, improved color accuracy and image quality designed to provide extra-long working distance with a magnification range of 10x – 70x. By using usb 3.0 the am73115mtf is capable of providing 45fps at 1280 x 960 resolution, allowing this microscope to be used in a wider range of more demanding applications. The far working distance impressively offers minimum 115mm viewing distance with maximum 70x magnification. In comparison to the edge series long working distance models, the am4115tzf extends 80mm working distance at 70x magnification, making it an ideal option for fabrication or observation requiring long distance. This model also includes the popular edge series feature flexible led control (flc) which enables partial illumination to enhance edge contrast and provides intensity adjustment for better adaptability, interchangeable front caps, and rugged metal housing. recommended system requirements: windows 7, 8, 10 or mac os 10.9 or newer intel core i5 3.2ghz 20gb available hd space 8gb of available ram or more 2gb video card or more cd-rom drive for installation usb 3.0 with intel chipset