The FSQ-BG39 Colored Gl Filter is a 25.4 mm diameter blue bandp colored gl filter made of BG.39 gl. Our colored gl filters serve as broadband, bandp, or long-wave p filters. These filters are precision polished for demanding research or OEM applications.
| Model | FSR-BG39 |
|---|---|
| Diameter | 1.0 in. (25.4 mm) |
| Dimensions | &plun; 0.3 mm |
| Schott Gl Number | BG.39 |
| Thickness | 0.118 in. (3.0 mm) |
| Surface Quality | 60-40 scratch-dig |
| Wedge | ≤3 arc min |
| Damage Threshold | 30 W/cm2 CW, tical |
| Clear Aperture | ≥central 80% of dimensions |
| Thickness Tolerance | &plun;0.1 mm |
| Material | Schott, Hoya colored gl or equivalent |
| Chamfers | 0.25–0.76 mm face width |
| Chamfers Angle/Tolerance | 45° &plun;15° |
| Angle of Incidence | 0° |
| Cleaning | Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended |
