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Infinite Optical System,Seidentopf Trinocular Head Inclined at 30º,Interpupillary 48-75mm,Extra Wide Field Eyepiece EW10X/22, LWD infinite plan objective 4x(WD 17.3mm),40x(WD2.1mm),Infinite Plan phase objective PH10X,WD10mm,PH20X,WD5.1mm, Quintuple Nosepiece,ELWD Condenser NA0.3,LWD 72mm,10x-20x,40x phase Annulus plate(fixed),plain stage 160x250mm,Glass Insert,Auxiliary Stage 70x180mm,Coaxial Coarse and Fine Adjustment ,Fine Division 0.002mm,Coarse Stroke 37.7mm per Rotation,Fine Stroke 0.2mm per Rotation,Moving Range up 8mm,down 3mm,Halogen Lamp 6v/30w,Blue,Green and Ground Glass,Diameter 45mm,you want to know more,you can refer to my nbkele dot net.
