Portable Polariscope, Polariscope Dual Lens Optical Glass 93mm Length2636\n\nIdentifies gemstones with high accuracy by distinguishing between single (isotropic) and double (anisotropic) refraction properties for professional-quality identification.\nEquipped with a dual-lens system for enhanced clarity, making it an essential tool for gemologists and material analysts.\nIntegrated -efficient LED lighting provides consistent brightness ensuring accurate gemstone and material analysis.\nConstructed from premium aluminum and optical glass, this 93mm-long polariscope is perfect for fieldwork, labs, and workshops.\nDesigned for smooth and intuitive use, making it easy for both professionals and beginners to analyze gemstones with confidence.\n\nColor: Black\nMaterial: plastic\n\nPackage Contents:\n1 pcs * hand lens