0.3X 0.5X 0.7X 0.75X 1X 1.5X 2.0X Auxiliary Barlow Objective Lens M48mm Thread For Zoom Stereo Binocular Trinocular Microscope

0.3X 0.5X 0.7X 0.75X 1X 1.5X 2.0X Auxiliary Barlow Objective Lens M48mm Thread For Zoom Stereo Binocular Trinocular Microscope

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