Excellent human body engineering design, the product USES the observation Angle of 35 degrees, conducive to sitting for a long time observation, big base, high stability, suitable for all kinds of specimen anatomic, top optical structure design, the whole machine adopts the green type optical system structure, the overall working shaft institutions, light path around the whole distance range without like tilt, long time watching without vertigo, Left and right light path 12 degree body Angle of view, stereo vision sense is strong. View, change times higher than, sophisticated manufacturing technology and quality optical systems, high resolution, large profound, colour is distinct, sharp contrast, the operator comfortable material (high precision machinery, precision assembly process) high-end stability (PC resin shell, aluminum alloy, copper alloy structural parts, austenitic stainless steel transmission parts), with complete product series, Complete function, all types of image output interface LEED, halogen lamp, cold light source and other series of photo devices all types of professional use bracket and operating accessories.