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Narrowband Filter Set
Narrowband Filter Set
Narrowband Filter Set
Narrowband Filter Set

    ATIK

    Narrowband Filter Set

    $ 470.00
    $ 470.00

    This item is out of stock but you can place an order now and we’ll ship when it becomes available.

    Description

    The SHO narrow band filter set is compatible with our filter wheels and allows astrophotographers to capture deep-sky objects in spectacular narrow band. This filter set is commonly used to image objects in the Hubble pallet.
    Bandwidth:


      • SII 7nm

      • Ha 7nm

      • OIII 7nm


    Peak Transmission: minimum 80%

    CWL (centre of wavelength):


      • Ha 656.3nm

      • SII 671.6nm

      • OIII 500.7nm


    Size: 1.25” mounted, 36mm unmounted or 2” mounted

    Transmitted Wavefront RMS: λ/4

    Parallelism(arcsec): 30s

    Specifications

    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%

    Personal Upgrade Path

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