Feature Highlights: 1. 64mm Prism Lens: Features a 64mm high‑precision glass lens with a bright, clear texture to ensure superior measurement accuracy and enhanced work efficiency. 2. Optical Glass Construction: Crafted from polished optical glass with a uniform, fine coating for excellent durability and long‑term performance. 3. Reliable Performance: Precision‑engineered for transparency, uniformity, and minimal error, delivering a high qualification rate in demanding applications. 4. Prism Specifications: Aperture range of 0.2‑1, irregular aperture of 0.1‑0.3, and a comprehensive angle of 2‑8 minutes for versatile and accurate use. 5. Wide Application: Ideal for component surveying, optical alignment, drilling, and other precision‑based industries requiring dependable optical components. Product Details: This copper‑coated pyramidal optical glass prism is designed for high‑accuracy surveying and mapping tasks. Its 64mm lens ensures bright, clear imaging and reliable measurement results. Made from durable optical glass with a fine polished coating, it maintains consistent performance under rigorous conditions. The prism offers precise aperture and angular specifications to meet professional surveying needs, and its sturdy construction supports efficient operation in fields such as optical targeting, drilling, and component inspection. Specifications: - Lens Diameter: 64mm - Material: Optical Glass - Coating: Uniform Fine Coating - Aperture Range: 0.2‑1 - Irregular Aperture: 0.1‑0.3 - Comprehensive Angle: 2‑8 minutes - Typical Use: Surveying, Optical Alignment, Precision Drilling, Component Inspection