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Atik Narrowband 2" Filter Kit

SKU : A3-ATK0175P

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Product Details

  • The Atik narrow band filters are manufactured with a band pass of 7 nm, capturing a nebula's photons while preventing a large portion of the broad band light pollution from entering. The result is a much higher signal to noise revealing faint details in nebulas. The Narrow band filter set comprises of Hydrogen-Alpha (Ha), Sulphur (SII) and Oxygen (OIII).


    Filter Peak Transmission Half Width Transmission in Band Transmission out of Band
    Hydrogen Alpha 656.3nm 7nm >80% Maximum<0.3% Average 0.1%
    Oxygen III 500.7nm 7nm >80% Maximum<0.3% Average 0.1%
    Sulphur II 671.6nm 7nm >80% Maximum<0.3% Average 0.1%


  • specifications

    Filter ShapeRound
    Filter TypeH Alpha
    Filter TypeOIII
    Filter TypeSII
    Free ShippingYes

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