Exceptional light transmittance of up to 99.8%, ideal for high-power optical systems requiring precision. Engineered to withstand intense light sources up to 200W, ensuring consistent performance and clarity. Crafted from high-purity zinc selenide material, providing reliability in various scientific and industrial applications. Polycrystalline structure guarantees uniform optical properties, enhancing performance across different setups. Includes 1PCS precision-manufactured ZnSe window, ready for immediate integration into your optical systems.