0.17mm Glass Cover Achromatic Objective Lens Silver 20.2mm Copper Parts RMS Lens

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0.17mm Glass Cover Achromatic Objective Lens Accessory 20.2mm Copper Parts Lens

195 1X 2X RMS Achromatic Infinity Objective Lens for Biological Microscope

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160mm Tube Length Achromatic Objective Lens Accessory Silver 20.2mm RMS Lens