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Search for Amscope T490B-Dk Compound Trinocular Microscope, Wf10X And Wf20X Eyepieces, 40X-2000X Magnification, Brightfield/Darkfield, Halogen Illumination, Abbe Condenser, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics on Amazon (or for the code 799916470839)