Технические характеристики
- Size Ø25.4 mm
- Wavelength Range 2000-5000 nm
- Optical Density 0.3, 0.6, 1.0, 2.0, 3.0
- Material Optical Grade Germanium
- Coating Type Vacuum deposited metal alloy
- Size Tolerance ±0.2 mm
- Surface Quality 80-50 scratch-dig
- Clear Aperture All but 1.5 mm outer rim
- Parallelism 3 to 5 arc min (0.8 to 1.5 mrad)
