Product details
Svbony SV227 2″ HSO/SHO 5nm Filter Set is a complete set of three narrowband filters designed for emission nebula astrophotography. The set includes H-Alpha, OIII, and SII filters with a 5 nm bandwidth, enabling high-contrast imaging of deep-sky objects even under light-polluted skies.
Key features:
- complete SHO narrowband filter set (H-Alpha, OIII, SII)
- 5 nm bandwidth for high-contrast astrophotography
- designed for emission nebulae and deep-sky imaging
- high peak transmission of ≥90%
- effective blocking of unwanted wavelengths at ≥OD5
- manufactured from high-quality optical glass
- coatings optimized for long-exposure imaging
Elements of the set:
- Svbony SV227 SII 2″ 5 nm filter (CWL 672 nm)
- Svbony SV227 H-Alpha 2″ 5 nm filter (CWL 656.3 nm)
- Svbony SV227 OIII 2″ 5 nm filter (CWL 500.7 nm)






















