Constructed from premium K9 optical glass, this triangular prism measures 45x45x45mm, ensuring superior light manipulation. devised for precise light deflection at a 90° angle, making it ideal for various optical applications and experiments. Features exceptional surface accuracy of /4@632.8nm and a shape tolerance of ±0.1mm, guaranteeing optical performance. Offers excellent chemical stability and weather resistance, suitable for use in diverse environmental conditions. Widely used in optical instruments, lenses, and windows, this prism is perfect for both educational and professional environments.