STRAIGHT TUBE FITTED WITH CAMERA & LCD SCREENSiedentopf observation head inclined at 45°Diopter adjustment ring on both ocular tube.Interpupillary distance from 55mm to 75mm.5 inch LCD screen. Built-in-digital camera with USB-2.0 output.EYEPIECEWide field Eyepieces 10X (Paired) FOV 22mmOBJECTIVESZoom 0.7X to 4.5X with magnification ratio of 6:1MECHANICAL BODYa) Inclined and transmitted light system with LED lamp. The system regulated with Transformer has intensity control knob On/off switch.b) Clip for holding specimen.MAGNIFICATION RANGE7X to 45XWORKING DISTANCE98mm