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  1. Astronomik - H-Alpha 6nm CCD Filter - 50mm Square Unmounted

    Astronomik - H-Alpha 6nm CCD Filter - 50mm Square Unmounted

    The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.

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    (48 States)
    Model#: HA6-50SQ
    $649.95

  2. Astronomik LRGB Type 2 Filter Set 50mm Round Unmounted

    Astronomik - LRGB Type 2 Filter Set - 50mm Round Unmounted

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

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    (48 States)
    Model#: LRGB-50R
    $699.95

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