If you are into the study of gems and stones, the saxon GSM Gemological Microscope 20x-40x is a great microscope to start off with. With two sufficient magnification, you can rotate the objective lens between 20x and 40x depending on your preference. The microscope is also equipped with reflected and transmitted lighting. You can have either lights turned on for inspecting surface details and structures. Use the gem tweezer to help hold your stone in place while you focus until image is clear. If you want to observe the stone at a different angle, simply rotate the tweezer until the angle comes in view. Easy to use and powered by either AC or batteries, this is an ideal microscope for hobbyist and gemologist. Specifications Warranty Information 3-Years Limited Warranty Eyepiece WF 10x Magnification Range 20x, 40x Objectives 2x, 4x Field of View 20mm Working Distance 76mm Illumination LED reflected & transmitted Head Type Binocular Focus Coarse Condenser Darkfield and Light field Stage Type Black/White Contrast Plate, Frosted Glass Stand Pillar Power Supply 5v 1000mA AC Power or 3x AA Batteries Weight ± 1.9kg
