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Amazon.com: UNICO M250-5003 Mechanical Stage with Abbe NA 1.25 Condenser for M250 Series Microscope, Iris Diaphragm : Health & Household
Nasco High School Microscope, Monocular Head/Abbe 1.25 Focusable Abbe Condenser with Iris Diaphragm | Compound Microscopes | Microscopes & Magnification | Lab Equipment & Supplies | Science | Education Supplies | Nasco
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Amazon.com: AmScope T120A Professional Siedentopf Trinocular Compound Microscope, 40X-1600X Magnification, WF10x and WF16x Eyepieces, Brightfield, LED Illumination, Abbe Condenser with Iris Diaphragm, Double-Layer Mechanical Stage, 100-240VAC : Electronics
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