Specification: Optic Head: *Microscope Type: parallel *Eyepiece: 12.5x *Total Magnification: 6x(ф33mm); 10x(ф22.5mm); 16x(ф14mm); 25x(ф8.8mm); 40x(ф5mm) *Diopter Adjustment: -5D~+3D Illumination: *Slit width: 0mm~9mm continuously adjustable * Slit Height: 1mm~8mm continuously adjustable *Aperture Diameter: ф9,ф8,ф5,ф3,ф2,ф0.2(mm) *Slit Angle: 0°~180° *Slit lnclination: 5°,10°,15°,20° *Filter : heat absorption,grey,redfree,cobalt blue *lllumiination Bulb: 12v30w halogen bulb *fixation Bulb : red LED *Power Supply: 110V/220V±;60/50Hz;58VA *Motorized Table(optional): *Height: 640mm~860mm adjustable *Weight: 25kgs *Maximum Load:50kgs