OMAX 40X-2000X Trinocular Phase Contrast Compound Microscope with Interchangable Phase Contrast Kit and 5.0MP USB Camera Eyepieces: wide field WF10X/18 and WF20X; Head: 30 degrees inclined 360 degreesrotatable trinocular Siedentopf; Interpupillary: hinge adjustment 48mm - 75mm; Diopter: adjustable on left eyepiece tube; Nosepiece: revolving, quadruple, reversed; Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring,oil); Total magnification for bright field: 40X-80X-100X-200X-400X-800X-1000X-2000X; Stage: X-Y mechanical stage with scales, range 78mm x 40mm, dimension 110mm x 140mm Phase contrast objectives (in phase contrast kit): achromatic PH10X, PH40X (S), PH100X (S, Oil); Phase contrast condenser: NA1.25 (37mm mounting size) condenser, one centering telescopic eyepiece with three separated condenser annular plates for 10X, 40X, and 100X, each can be centered individually; Focus: coaxial coarse and fine focus knobs on both sides, rack and pinion adjustment, with tension control and stop Focus: coaxial coarse and fine focus knobs on both sides, rack and pinion adjustment, with tension control and stop; Illumination: transmitted replaceable 3W LED light, intensity adjustable; Condenser: Abbe NA1.25 with iris aperture diaphragm and filter holder, rack and pinion adjustment; Power supply: AC 100V ~240V 50/60Hz (US and Canada plug); Stage: X-Y mechanical stage with scales, range 78mm x 40mm, dimension 110mm x 140mm Digital camera: - true color 2592x1944 pixels (5.0MP) - 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