| Company Name | | Colored-glass |  |
| | Contrast-enhancement |  |
| | EUV |  |
| | Holographic |  |
| | Image-quality |  |
| | Liquid |  |
| | Interference-Broadband |  |
| | Interference-Dichroic |  |
| | Interference-Laser-line |  |
| | Interference-Long-wavepass (cut-on) |  |
| | Interference-Narrowband |  |
| | Interference-Neutral-density |  |
| | Interference-NVIS |  |
| | Interference-Plastic |  |
| | Interference-Short-wavepass (cut-off) |  |
| | Interference-Thin-film |  |
| | Interference-Tunable |  |
| | Interference-UV |  |
| | Interference-X-ray |  |
| | IR (heat) blocking |  |
|