OMAX 40X-2000X Digital Lab LED Binocular Compound Microscope with Double Layer Mechanical Stage and 1.3MP USB Digital Camera Total magnification: 40x-80x-100x-200x-400x-800x-1000x-2000x; Eyepieces: wide field WF10X and WF20X; Objective: achromatic DIN 4x, 10x, 40x(S), 100x(S, Oil); Viewing head: 45 degrees inclined 360 degrees swiveling binocular; Sliding adjustable interpupillary distance: 2-3/16inch ~ 2-15/16inch(55~75mm) Ocular diopter adjustable on both eyetubes; Nosepiece: revolving quadruple; Stage: mechanical double layer size: 4-1/2inchx 4-15/16inch (115mm x 125mm); Stage x-y stroke (travel range): 2-13/16inch x 1-3/16inch (70mm x 30mm); Condenser and diaphragm: NA1.25 Abbe condenser with iris diaphragm Transmitted (lower) illuminator: LED light, intensity adjustable; Focus adjustment: Coaxial coarse and fine knobs on both sides; All metal mechanical components; Power supply: AC/DC adapter, 7.5V/7.5W (UL approved) - Input: 100-240V Digital camera: - true color 1280x1024 pixels (1.3MP) - 0.45X reduction lens to get larger field of view - Software compatible with Windows XP/Vista/7/8/10, and Mac OS - Capturing microscope images, recording live video, measuring lengths, angles, areas, editing images - USB cable included 5-year warranty against manufacturing defects