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The Scorpio 2" HO + SO Dual Narrowband Filter Set includes two dual-band filters with high precision 7nm wavelength filtering, designed for emission nebula astrophotography. The HO filter captures H-alpha and OIII, while the SO filter captures SII and OIII.
This gives one-shot colour camera users a flexible way to collect narrowband-style data without moving to a full monochrome SHO filter wheel setup. The HO filter is well suited to classic HOO-style imaging, while the SO filter adds sulphur data for more creative narrowband colour combinations.
At its price point, the Scorpio HO + SO set is an appealing option for imagers who want to experiment with richer narrowband palettes using a colour astronomy camera.