Eyepieces magnification 12.5x, pupil distance adjustable range 55mm~75mm, diopter adjustment range +6D ~ -6D. Focus of second object lens 160mm Binocular tube 30°~90°variable angle binocular tube Magnification 6:1 zoom, motorized, magnification 4x~24x; field of view Φ50~Φ8.2mm Coaxial assistant's binocular tube moterized continual changer, total magnification and field of view is same as chief binocular tube Coaxial illumination illumination diameter of light spot Φ50mm, illumination intensity 100000lux Objectives f200mm (300mm, 350mm etc ) Focusing motorized, range +/-25mm, speed 33s/whole distance X-Y translator move in X-Y direction motorised, range +/-30mm Maximum length of arm 1200mm New stand swing angle of the carrier arm 0 ~300°,height from objective to floor 800mm<H<1250mm Foot switch waterproof, 8 function steps Weight 164kg