... specification Mircoscope Type Galilean stereoscopic microscope Magnification 5 steps by drum rotationEye piece: 12.5×Total Magnification and Diameter of Visual Field ... 33mm),10×(22.5mm),16×(14mm),25×(8.8mm),40×(5.5mm)Adjustable Range of Pupil Distance(mm): 50 ~ 82Adjustable ... : 0 ~ 180°adjustableSlit Inclination: Angle 0°,5° ,15 ° , 20 ° Light Spot Diameter(mm) :φ14,φ10,,φ5,φ3, φ2, φ1,φ0.2Filter: Heat ...