PDOK 20X/40X Zoom Stereo Microscope OK240 MicroscopeProduct Introduction Head: 360° rotatable; 45° inclined inclined binocularEyepieces: 30mm super widefield high-eyepoint WF10X/20MMObjective Zoom Range: 0.35X-9.0X, using the Barlow lensesWorking Distance: 4" (100mm)Diopter Adjustment: +/- 5dpInterpupillary Distance: 2-3/16" - 2-15/16"(55-75mm)Round Plate: 3-3/4" (95mm) in diameterStand: 10" x 7-7/8" x 10.75" (260 x 200 x 250mm)Illumination: 32-LED Ring LightPower Input: 110-240V, 50-60HZ, Automatic SwitchingPackage incluede:1 x 20X/40X Zoom Stereo microscope1 x 32-LED Ring Light with AdapterApplication: This stereo microscope has a 32-LED ring light that offers super widefield optics and 20X/40X zoom magnification power with a cool light illumination system. It is an ideal instrument for industrial inspection and biological lab applications. This microscope is perfect for gemologists, manufacturing engineers, dental lab technicians, and anyone in electronic and semiconductor industries.