Eyepieces magnification 12.5x, pupil distance adjustable range 55mm~75mm, diopter adjustment range +6D ~ -6D. Binocular tube 30°~90°variable angle binocular tube, add new pupil distance adjustment Magnification 6:1 zoom, motorized, magnification 4.5x~27.3x; field of view Φ44~Φ7.7mm Coaxial illumination illumination diameter of light spot Φ50mm, illumination intensity 80000lux Objectives F=200mm (175mm, 250mm etc ) Focusing motorized, range +/-25mm X-Y translator move in X-Y direction motorized, range +/-25mm Maximum length of arm 1200mm Stand swing angle of the carrier arm 0 ~300°,height from objective to floor 800mm<H<1250mm. Foot switch waterproof, 8 function steps Weight 130kg