0.3X 0.5X 0.7X 0.75X 1X 1.5X 2X Microscope Auxiliary Objective Lens Barlow Lens 48mm For Stereo Trinocular Binocular Microscope

0.3X 0.5X 0.7X 0.75X 1X 1.5X 2X Microscope Auxiliary Objective Lens Barlow Lens 48mm For Stereo Trinocular Binocular Microscope

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