ELECTRON MICROSCOPETOTAL MAGNIFICATION: electron microscope 40X-80X-100X-200X-400X-800X-1000X-2000X; Eyepieces: wide field WF10X/18 and WF20X; Objectives: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil); Viewing head: forty five degrees inclined 360 degrees swiveling digital binocular head; Interpupillary distance: slippy adjustable 2-3/16inch ~ 2-15/16inch (55mm ~ 75mm); Diopter: adjustable on each ocular tubes; Nosepiece: revolving quadrupleSTAGE: electron microscope mechanical stain-resistant double layer size 5-1/2inch x 5-1/2inch (140mm x 140mm), translation range: 3inch x 2inch (75mm x 50mm); Focus: concentrical coarse and fine focus knobs on each side, rack, and pinion adjustment, with tension control; Focusing knob is fastened for observation and transportation; Condenser and diaphragm: archimandrite NA1. Twenty-five rack and pinion adjustment condenser with iris aperture diaphragmBLACK PALM REST ON THE BASE; ILLUMINATION: electron microscope transmitted (lower), expendable 3W diode lightweight, variable intensity; Metal framework; Power supply: AC 100V-240V zero. 2/0. 1A 50/60Hz worldwide vary (US and Canada plug)Inbuilt Digital Camera: Imaging device: electron microscope three. Zero megapixels, 1/2. 5inch CMOS ? Effective pixels: 2048?1536 ? most still image resolution: 2048?1536 pixels ? Frame rate: four frames per second at 2048?1536, ten frames per second at 1024?768 ? Interface: USB2. zero ( 480MB/second) ? SNR: >40dB ? software package compatible with Windows XP/Vista/7/8/10, and Mac OS