0.3X/0.5X/0.7X/0.75X/1.5X/2X Trinocular Binocular Stereo Microscope Auxiliary Objective Lens M48 Mount Barlow Glass

0.3X/0.5X/0.7X/0.75X/1.5X/2X Trinocular Binocular Stereo Microscope Auxiliary Objective Lens M48 Mount Barlow Glass

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