ZWO
Use with H-alpha and OIII narrowband filters (SHO Set) for astrophotography. Also suitable for visual observation of most emission nebulae, planetary nebulae and supernova remnants.
Available within 5-14 days
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ZWO 36mm SII 7nm Unmounted Narrowband Filter
The ZWO narrowband S-II filter passes light at 672nm wavelength with a bandpass of 7nm.
Use with H-alpha and OIII narrowband filters (SHO Set) for astrophotography.
Also suitable for visual observation of most emission nebulae, planetary nebulae and supernova remnants.