Objective lens: 0.7X-4.5X continuously adjustableEyepiece: ocular WF10X/20mm with high focus and wide field of viewHead: three stereo mirror body tilted 45 degrees 360 degrees rotationBracket: working distance 95mmInterpupillary distance range: 52mm-75mm + 5 degreesLift range: 275mmBase column: 380*..