ZWO O-III 7nm 1.25-inch Filter

RRP $209.95 RRP OUR PRICE $209.95
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    This filter is for use with narrowband astrophotography .

    Oxygen III light has a wavelength of 500.7nm, and is a commonly-used narrowband frequency. It can be used as part of two-band, three-band, or other false-colour images.


    • 7nm bandpass OIII narrowband filter for astrophotography.
    • Filters out all but 502 ± 3.5nm incoming light.
    • Mounted in a 1.25" collar with a thread for fitting into a1.25" nosepiece or a 1.25" filter whee

    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-OIII7nm1.25

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