Double Layers Mechanical Stage 200X180mm with Two Plates+10 and +20mm Moving Range X-Y 70X50mm Coaxial Coarse And Fine Focusing Adjustable Mechanism by Rack and Pinion with Tension Adjustment and Stage Height Limited Knob Focusing Range 25mm Precision 0.002mm Built-in Adjustable Brightness Halogen Lamp 6V/20W and Kohlar Illumination System with Blue Green Yellow and Ground Glass Filters Net Weight/Set 8kg 42cmX35cmX52cm
