Discover gemstone pleochroism with ease! This foldaway dichroscope is perfect for observing color variations in birefringent gemstones. Simply illuminate your sample with white light, maintain a 2-5 cm viewing distance, and rotate for a full 360° observation. Unveil the beauty of true dichroism in no time! Uses white light sources such as and incandescent lamps. Compact and portable. Clear lens, Foldable design. 2-5cm distance between the dichroscope and the gemstone during the inspection, moving 360° can observe the trichroism from multiple directions.