| Minimum Active Area |
20.2 mm diameter for round filters;
45.5 mm sq for square filters |
| Surface Quality |
80-50 scratch-dig; F/F per MIL-F-48616 |
| Size Tolerance |
+0/-0.5 mm |
| Thickness |
≤7.6 mm |
| Out-of-Band Blocking |
Xray–Far IR, T≤0.01% or 10-4 (a crossover leak may be present on some models - see data curves) |
| Wavelength Shift with Temperature |
0.01 to 0.02 nm/° C |
| Specification Temperature |
23 °C |
| Temperature Range |
-50°C to +100°C (70°C for Mercury Line Filters) |
| Humidity Resistance |
Per MIL-STD-810E, method 507.3, procedure III, modified to 5 cycles |
| Cleaning |
Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see Care and Cleaning of Optics) |
| Damage Threshold |
Not for high power lasers |
| Data Curve Information |
Bandshape specifications and marker wavelengths are provided as approximate reference data only |