FLD 642 DLP(数字光处理)
产品规格：
| Optical Specifications | |
| Filter Name | 642 DLP |
| Angle of Incidence [degrees] | 45 +/-2 |
| Transmittance Band Wavelength Range [nm] | 648 - 1000 |
| Transmittance [%] | >90% average |
| Reflection Band Wavelength Range [nm] | 400 - 636 |
| Reflectance [%] | >97% |
| Operating Wavelength Range [nm] | 400-1000 |
| Entrance and Exit Media | Air |
| Physical Specifications | |
| Outer Diameter [mm] | 25 +0.0/-0.2 |
| Clear Aperture [mm] | 20 |
| Filter thickness [mm] | 1.1 +/-0.1 |
| Ring mounted | Yes |
| Ring Thickness [mm] | 3.5 +/- 0.1 |
| Scratch / Dig | 60/40 |
| Flatness | L/4 |
| Reliability | |
| Environmental Testing | MIL-STD-810F |
| Mechanical Durability | MIL-C-48497A |
