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Colour Glass Filters
We provide SCHOTT colour glass filters. Metal housing and antireflection coatings are available upon request, see our standard glass filters below.

Specifications
| Parameter | Standard |
| Diameter Tolerance: | +0/-0.1 mm |
| Thickness Tolerance: | +/-0.1 mm |
| Surface Figure at 632.8nm(over 85% dimension) if the filter's overall diameter is less than 25 mm : | λ /2 |
| Surface Figure at 632.8nm(over 85% dimension) if the filter's overall diameter is more than 25 mm : | λ |
| Parallism: | +/-10 arc sec. |
| Surface Quality: | 20-10 |
| Clear Aperture: | > 90 % of dimensions |
Colour Glass Filters
| Diameter | Material | Thickness | Part No. |
| Φ(mm) | Name | t(mm) | Standard |
| 10.00 | BG39 | 1.00 | CGFS001 |
| 10.00 | BG39 | 2.00 | CGFS002 |
| 20.00 | BG39 | 1.00 | CGFS003 |
| 20.00 | BG39 | 2.00 | CGFS004 |
| 25.40 | BG39 | 1.00 | CGFS005 |
| 25.40 | BG39 | 2.00 | CGFS006 |
| 50.80 | BG39 | 1.00 | CGFS007 |
| 50.80 | BG39 | 2.00 | CGFS008 |
| 50.80 | BG39 | 3.00 | CGFS009 |
| 10.00 | BG40 | 1.00 | CGFS010 |
| 10.00 | BG40 | 2.00 | CGFS011 |
| 20.00 | BG40 | 1.00 | CGFS012 |
| 20.00 | BG40 | 2.00 | CGFS013 |
| 25.40 | BG40 | 1.00 | CGFS014 |
| 25.40 | BG40 | 2.00 | CGFS015 |
| 50.80 | BG40 | 1.00 | CGFS016 |
| 50.80 | BG40 | 2.00 | CGFS017 |
| 50.80 | BG40 | 3.00 | CGFS018 |
| 10.00 | KG3 | 1.00 | CGFS019 |
| 10.00 | KG3 | 2.00 | CGFS020 |
| 20.00 | KG3 | 1.00 | CGFS021 |
| 20.00 | KG3 | 2.00 | CGFS022 |
| 25.40 | KG3 | 1.00 | CGFS023 |
| 25.40 | KG3 | 2.00 | CGFS024 |
| 50.80 | KG3 | 1.00 | CGFS025 |
| 50.80 | KG3 | 2.00 | CGFS026 |
| 50.80 | KG3 | 3.00 | CGFS027 |
| 10.00 | UG11 | 1.00 | CGFS028 |
| 10.00 | UG11 | 2.00 | CGFS029 |
| 20.00 | UG11 | 1.00 | CGFS030 |
| 20.00 | UG11 | 2.00 | CGFS031 |
| 25.40 | UG11 | 1.00 | CGFS032 |
| 25.40 | UG11 | 2.00 | CGFS033 |
| 50.80 | UG11 | 1.00 | CGFS034 |
| 50.80 | UG11 | 2.00 | CGFS035 |
| 50.80 | UG11 | 3.00 | CGFS036 |
| 10.00 | NG3 | 1.00 | CGFS037 |
| 10.00 | NG3 | 2.00 | CGFS038 |
| 20.00 | NG3 | 1.00 | CGFS039 |
| 20.00 | NG3 | 2.00 | CGFS040 |
| 25.40 | NG3 | 1.00 | CGFS041 |
| 25.40 | NG3 | 2.00 | CGFS042 |
| 50.80 | NG3 | 1.00 | CGFS043 |
| 50.80 | NG3 | 2.00 | CGFS044 |
| 50.80 | NG3 | 3.00 | CGFS045 |