Svbony 1,25" SHO Filter Set H-Alpha OIII SII 7 nm (SKU: F9169A-W9121A-W9122A)

SVBONY SHO 1.25" 7 nm Narrowband Filter Set (SVBONY, SKU: F9169A-W9121A-W9122A) contains three separate H-alpha, O-III and S-II filters for emission nebula astrophotography. It allows each band to be recorded separately and combined into multichannel images.

Key features

• isolation of hydrogen, oxygen and sulphur emission bands
• suppression of background light outside the transmitted band
• creation of SHO composites, including the Hubble palette

Included items

• filter H-alpha 1.25" 7 nm — F9169A
• filter O-III 1.25" 7 nm — W9121A
• filter S-II 1.25" 7 nm — W9122A and protective cases

Technical specifications

• number of filters: 3; mounted size: 1.25"
• full width at half maximum of each filter (FWHM): 7 nm
• intended use: narrowband astrophotography

The set enables separate nebula channels to be captured for processing and combination into a colour image. These filters are not intended for solar observation.