MONOCULAR OBSERVATION HEAD WITH LCD Monocular body inclines at 45°. Vertical tube with 5 inch LCD screen.Diopter adjustment ring on both ocular tube.Interpupillary distance from 55mm to 75mm.Built-in digital camera with USB 2.0 output.EYEPIECEWild field Eyepieces 10X (Paired) FOV 20mm.OBJECTIVESZoom 0.7X to 4.5X with magnification ratio 6:1.MECHANICAL BODYa) Rack and pinion focusing with a slip clutch mechanism. b) Transmitted light system with LED lamp. The system has intensity control knob. On/off switch.c) Clip for holding specimen.d) Base size is 260mm X 290mm.WORKING DISTANCE98mm.MAGNIFICATION RANGE7X - 45X.