Feature●Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X; Eyepieces: widefield WF10X/18 and WF20X; Objectives: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil); Viewing head: 45 degrees inclined 360 degrees swiveling digital binocular; Interpupillary distance: sliding adjustment 2-3/16inch ~ 2-15/16inch (55~75mm)●Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X; Eyepieces: widefield WF10X/18 and WF20X; Objectives: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil); Viewing head: 45 degrees inclined 360 degrees swiveling digital binocular; Interpupillary distance: sliding adjustment 2-3/16inch ~ 2-15/16inch (55~75mm)●Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X; Eyepieces: widefield WF10X/18 and WF20X; Objectives: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil); Viewing head: 45 degrees inclined 360 degrees swiveling digital binocular; Interpupillary distance: sliding adjustment 2-3/16inch ~ 2-15/16inch (55~75mm)●Diopter: adjustable on both eyepiece tubes; Nosepiece: revolving quadruple; Stage: double layer X-Y mechanical stage with scales, size: 4-1/2inchx 4-15/16inch (115mm x 125mm), translation range: 2-13/16inch x 1-3/16inch (70mm x 30mm); Condenser and diaphragm: NA1.25 Abbe condenser with iris diaphragm and filter holder,rack and pinion adjustment; Transmitted (lower) illuminator: replaceable LED light, intensity adjustable●Focus: coaxial coarse and fine knobs on both sides; Stage upward moving lock protects objectives and slides; All metal mechannical components; 100-piece blank glass slides with 100-piece cover slips and 100-sheet lens cleaning paper included; Microscope book: The World of The Microscope included●Power supply: AC/DC adapter, - Input: 100-240VAC, 50/60Hz, 0.5A - Output: 7.5V, 1000mA; Built-in digital camera: - Imaging device: 1.3 mega pixels, 1/2.5inch CMOS - Effective pixels: 1280x1024 - Maximum still image resolution: 1280x1024 pixels - Frame rate: 6 frames per second at 1280x1024, 10 frames per second at 1024x768 - Interface: USB2.0 ( 480MB/second) - SNR: >40dB - Software compatible with Windows XP/Vista/7/8/10, and Mac OS X●5-year warranty against manufacturing defectsDescription This binocular compound microscope comes with a built-in 1.3MP digital binocular sliding viewing head, body frame, revolving quadruple nosepiece, two pairs of widefield eyepieces, four achromatic optics objectives, double layer mechanical stage with scale, Abbe NA1.25 condenser with iris diaphragm and variable intensity LED transmitted illumination system, 100-piece blank slides, 100-piece coverslips, 100-sheet lens cleaning paper and the microscope book, "The World of The Microscope". It offers magnifications: 40X-80X-100X-200X-400X-800X-1000X-2000X. The 1280 x1024 pixels USB digital imaging system that captures still microscope images and live video on computer. The included software compatible with Windows XP/Vista/7/8/10 can also be used to make measurements.