Astronomical 3nmSHO Optical Filter BFH350
Astronomical 3nm SHO filters comprise H-Alpha 3nm, SII 3nm and OIII 3nm filters, corresponding to emission bands at 656.3 nm, 671.6 nm and 500.7 nm. Our IBS coating technology suppresses halos and is widely used for halo-free astronomical deep-sky photography. Accumulated exposures collect as much nebular emission-line energy as possible without halos, while higher contrast reveals richer, more delicate nebular detail.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Half-bandwidth | 3nm±0.5nm |
| Blocking Range | 300-1100nm |
| Blocking Depth | 300nm-800nm OD6. 801nm-1 150nm OD5 |
| Peak T | T≥ 90% |
| Dimensions [Center Wavelength =656.3nm] | Ф50.ЗхЗ |
| Center Wavelength | 656.3 nm |
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Datasheet
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Supplier Information
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