Diameter Adjustable Zoom Stere Microscopes Focusing Holder Focusing Bracket Product parameters: The diameter of the column mounting hole is 25mm/32mm respectively Microscope focusing bracket Plane mirror frame, steel ball guide rail type rack and pinion focusing mechanism Focusing stroke: 50mm Lens body aperture: Φ76mm Center distance: 155mm (the center of the column hole to the center of the lens body hole) Installation aperture: 25MM/32MM Product List: Focusing bracket X1
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