ZWO 7nm Narrowband Filter (Ha, Sii, Oiii) Set - 31mm unmounted


Filter set suitable for narrowband astrophotography using most sensor cameras.

  • 7nm bandpass suitable for most f/ ratios
  • 31 unmounted filter for use in filter wheels or holders
  • "new" series features lower internal reflections

Note: This item is a special order item. We do not hold stock in Mitcham and will order in to fulfil orders only. 

OUR PRICE $699.95
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    This filter set is for use with narrowband astrophotography .

    • Hydrogen-alpha (Ha) 656.3nm
    • Oxygen III (Oiii) 500.7nm
    • Sulphur II (Sii) 672.4nm

    About ZWO Optical

    Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou, China. Known for its iconic ZWO ASI 120MM Monochrome CMOS Camera, the first-ever planetary CMOS camera to beat a CCD in the early 2010s, ZWO has  pioneered new astroimaging technology with revolutionary new features, including USB 3,0, cooled systems, ADC and more. Today, ZWO Cameras is known by every passionate astrophotographer and is available in over 25 countries world-wide. 

    Product Code: ZWO-NB7nm1.25

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