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ZWO SII 7nm 2-inch Filter

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ZWO
0607467928429
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ZWO-SII7nm2

The ZWO SII 7nm 2in filter is made specifically for observing the nebulae. It allows crisp images as it allows light to pass at a wavelength of 672 nm and  a 7nm bandpass. This filter blocks out 98% of any unwanted light that could come in the way, resulting in fantastic images. 

RRP $499.95 RRP OUR PRICE $419.95
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    The ZWO  SII 7nm 2in filter is made for observing deep sky, specifically the nebulae. This filter allows light to pass at a wavelength of 672nm and a 7nm bandpass.

    Technical Data

    • FWHM:7±0.5nm
    • Optics are polished in order ensure 1/4 wavefront
    • Allows approximately 90% transmission at SII line 672nm (SII filter )
    • Infrared wavelength 700-1100nm cut-off
    • <0.1% transmission of off-band, OD3(Optical Density)

    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-SII7nm2

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