Optolong LRGB Filter Set 2" – Astrophotography
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Vai al moduloOptolong LRGB Filter Set 2” – Complete Set for Color Astrophotography
The Optolong LRGB filter set 2” includes four filters – L, R, G and B – in 2” (50.8mm) format with 45mm clear aperture, ideal for large format sensors and 2” filter wheels. 95% passband transmission with optimized spectral separation for natural colors.
Technical Specifications
| Contents | 4 filters: L + R + G + B |
| Format | 2” (50.8mm) |
| Clear aperture | 45mm |
| Passband transmission | 95% |
| IR blocking | 700–1100nm |
| Substrate | Schott, 2.0mm |
| Surface quality | 60/40 (MIL-O-13830) |
| Wavefront flatness | 1/4λ |
| Parallelism | <30" |
| Recommended cameras | CCD/CMOS mono, full frame sensors |