Premium Optical Lens Glass Protective Window – CaF2/Sapphire Circular Optical Window

Ultra-clear calcium fluoride (CaF2) or synthetic sapphire substrate for superior light transmission and minimal dispersion. Precision-polished surfaces with λ/10 flatness ensure distortion-free imaging for laser systems, spectroscopy, and high-end cameras.

Exceptional durability with scratch-resistant sapphire (Mohs 9) or humidity-resistant CaF2 for harsh environments. Anti-reflective coatings optional for 99.5%+ transmittance in UV to IR ranges.

Ideal for aerospace lenses, medical laser components, semiconductor inspection equipment, and scientific instrumentation. Custom diameters (1mm-300mm) and thicknesses available for OEM bulk orders.

Direct factory pricing with volume discounts – global shipping for industrial, research, and commercial buyers.