Polariscope Handheld with Led

The polariscope is used to test gemstones (cut or rough) for single or double refraction. Two polarising filters allows the observation of the structure and optical properties of precious stones or minerals. Includes LED flashlight light source that attaches beneath the polariscope and protective carrying case. Features: HEAVY DUTY and precise because it made with metal and optical glass Durable, reliable and made by professional craftsmen Gemmologist tool for diagnosing optical properties of a gemstone (singly refractive or double refractive)during usage Specifications: Size: Length : 80mm Diameter : 28mm Power for flash light : AA battery x 2 (Batteries are not included) Material: Optics glass, Metal Gemmologist tool for diagnosis optical properties of your gemstone(singly refractive or double refractive)