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

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

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