Pegasus Astro H-alpha Photographic Filter - 2" Mounted

Brand: Pegasus Astro

SKU : PGA-PEG-FLTR-2M-Ha

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  • Adds in reducing the transmission of certain wavelengths of light
  • Best choice of narrowband H-alpha astrophotography filter for highest contrast and revealing subtle nebula details

Product Details

  • This H-alpha Photographic narrowband filter has a 7nm bandwidth of light centered on a wavelength of 656nm through. Which adds in reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high- and low-pressure sodium vapor lights. Also including the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow). Best choice of narrowband H-alpha astrophotography filter for highest contrast and revealing subtle nebula details.



  • specifications

    Bandpass7nm
    Filter ShapeRound
    Filter Size2"
    Filter Thickness5mm
    Filter ThreadM48 (2")
    Filter TypeH Alpha
    MountingMounted
    Optical CoatingMultilayer Anti Reflection
    Polish1/4 wavefront Parfocal
    Thread Thickness2.5mm
    Transmission RangeT >80% 656 nm 7nm FWHM
  • included items

    • Pegasus Astro H-alpha Photographic Filter - 2" Mounted

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