Product Name: Monocular Biological Microscope for Student Model NO.: M-136A Principle of Optics: Polarizing Microscope Principle: Optics Usage: Teaching Shape: Single-lens Kind of Light Source: Ordinary Light Stereoscopic Effect: Stereoscopic Effect Mobility: Desktop Number of Cylinder: Monocular Type: Biological Trademark: LUMENLAB Transport Package: Color Box + Standard Export Carton Specification: FCC, CE, RoHS Origin: China Product Description Specification:1.Monocular binocular head2.Wide field eyepieces WF10X(WF16X is optional)3.4X,10X,40X ( spring ),100X( spring,oil ) Achromatic objective,4.Double layer mechanical stage,size:120x125mm5.Coaxial Coarse And Fine Adjustment,Focusing Range 20mm6.N.A=1.25 Abbe condenser &Iris diaphragm7.AC Input 220V or 110V,DC ouput 6VPackage:1pcs/cartonSize:36.5x22x41.5cmG.W.:5.7KGSN.W.:5KGS