ZWO 36 mm SII 7nm Narrowband Filter - SII7NMD36 imaging telescopes Diamond Steeltrack 2" focusers lift

Diamond Steeltrack 2" focusers lift a payload of 6kg (13 lbs) straight up

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For 30 years

ZWO 36 mm SII 7nm Narrowband Filter - SII7NMD36 imaging telescopes Diamond Steeltrack 2" focusers liftThe ZWO SII 7nm Narrowband Filter passes light at the 672nm wavelength with a bandpass of 7nm for nebula observation. It is suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants. Use this SII (Sulfur II) with H alpha and Oxygen III narrowband filters (SHO Set) for tricolor CCD astrophotography. This ZWO SII 7nm Filter has a diameter of 36 mm and comes unmounted. It can be used in 36 mm filter wheels that