Constructed from premium K9 optical glass, this triangular prism ensures exceptional light deflection at a 90° angle. Precision-engineered with a shape tolerance of ±0.1mm and angle error of ±3', providing reliable performance for optical applications. Ideal for various optical experiments, this prism offers excellent transmittance in the visible wavelength range and minimal optical spectral dispersion. devised for durability, the BK-7 glass material is resistant to acids, weather, and U-V radiation, making it suitable for outdoor and laboratory use. Perfect for educational purposes, scientific research, and professional optical setups, enhancing your understanding of light behavior and properties.