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產(chǎn)品簡介
The FSQ-BG39 Colored Glass Filter is a 25.4 mm diameter blue bandpass colored glass filter made of BG.39 glass.
詳細(xì)介紹
The FSQ-BG39 Colored Glass Filter is a 25.4 mm diameter blue bandpass colored glass filter made of BG.39 glass. Our colored glass filters serve as broadband, bandpass, or long-wave pass filters. These filters are precision polished for demanding research or OEM applications.
| Model | FSR-BG39 |
|---|---|
| Diameter | 1.0 in. （25.4 mm） |
| Dimensions | ± 0.3 mm |
| Schott Glass 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, typical |
| Clear Aperture | ≥central 80% of dimensions |
| Thickness Tolerance | ±0.1 mm |
| Material | Schott, Hoya colored glass or equivalent |
| Chamfers | 0.25–0.76 mm face width |
| Chamfers Angle/Tolerance | 45° ±15° |
| Angle of Incidence | 0° |
| Cleaning | Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended |