IR Filter Bandpasses
| µm | range | trans | thick | |
| J | 1.25 | 1.1 - 1.4 | 60% | 2.0mm |
| H | 1.65 | 1.5 - 1.8 | 60% | 2.0mm |
| K | 2.20 | 2.0 - 2.4 | 60% | 1.5mm |
| L | 3.82 | 3.5 - 4.15 | 60% | 1.0mm |
| M | 4.70 | 4.4 - 5.0 | 60% | 1.0mm |
| µm | range | trans | thick | |
| J | 1.25 | 1.1 - 1.4 | 60% | 2.0mm |
| H | 1.65 | 1.5 - 1.8 | 60% | 2.0mm |
| K | 2.20 | 2.0 - 2.4 | 60% | 1.5mm |
| L | 3.82 | 3.5 - 4.15 | 60% | 1.0mm |
| M | 4.70 | 4.4 - 5.0 | 60% | 1.0mm |
