Parameters Type: 222nm bandpass filters Size: 108mm*66.5mm*1mm Center wavelength: 222nm FWHM: 12±2nm Surface quality: 80-50 scratch-dig Thickness: 1mm Dimensional tolerance: +0/-0.5mm Center wavelength tolerance: ±2nm Minimum peak transmittance: 60% Temperature range: -50 to 120°C Moisture resistance: per MIL-STD-810E, method 507.3