1. 64MM PRISM LENS: This pyramid prism has 64mm glass lens with bright texture, providing high measurement accuracy and work efficiency.2. OPTICAL GLASS LENS: The prism lens is made of optical glass, with fine polishing and a uniform and delicate coating to ensure good durability.3. GOOD PERFORMANCE: With exquisite workmanship, the lens is transparent, uniform, and delicate, with small errors and high qualification rate.4. PRISM SPECIFICATION: This optical glass prism has an aperture of 0.2?1, an irregular aperture of 0.1?0.3, and a comprehensive angle of 2?8 minutes.5. APPLICATION FIELDS: This conical prism is widely used in component surveying, optical catching and drilling, and other precise industries.Spec:Item Type: Pyramidal PrismMaterial: Optical GlassAperture: 0.2-1Irregular Aperture: 0.1-0.3Finish: 60/40Comprehensive Angle: 2-8 minutepacking list:1 x Pyramidal Prism