NEW Edmund Optics 48-919 30mm Uncoated Sapphire Optical Window 330-5500nm
Optical Coating: Uncoated. Manufacturer: Edmund Optics. Clear Aperture: Greater than or equal to 90 percent (27.00 mm). Material Substrate: Single Crystal Sapphire (Al2O3). Wavelength Transmission Range: 330 – 5500 nm.