Function: 1. 64MM PRISM LENS: This pyramid prism features a 64mm glass lens with a light 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 smooth, delicate coating to ensure good durability. 3. GOOD PERFORMANCE: With exquisite workmanship, the lens is transparent, smooth, and delicate, with small errors and a high qualification rate. 4. PRISM SPECIFICATION: This optical glass prism has an aperture of 0.21, an irregular aperture of 0.10.3, and a comprehensive angle of 28 minutes. 5. APPLICATIONS: This conical prism is widely used in component measurement, optical capture and drilling, and other precision industries. Specification: Item Type: Pyramidal Prism Material: Optical Glass Aperture: 0.2-1 Irregular Aperture: 0.1-0.3 Finish: 60/40 Comprehensive Angle: 2-8 minutes. Package List: 1 x Pyramidal Prism