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  1. Orion OIII Nebula Telescope Filter 2"

    Orion - OIII Nebula Telescope Filter 2"

    You can't turn up the luminosity on nebulas, but you can crank up the contrast between them and the sky to reveal more of their wondrous detail.

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    Model#: 05582
    $159.99

  2. Orion OIII Nebula Telescope Filter 1.25"

    Orion - OIII Nebula Telescope Filter 1.25"

    1.25in ... Learn More
    Model#: 05581
    $109.99

  3. Orion - 2" Extra-Narrowband Sulfur-II Filter

    Orion - 2" Extra-Narrowband Sulfur-II Filter

    Effectively blacken the background sky with extra-narrowband filters to produce striking, high-contrast astrophotography of emission nebulae. Orion's 2" Extra-Narrowband Sulfur-II Imaging Filter will do just that. It is ideal for use with monochrome CCD cameras like Orion's Parsec 8300M.

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    Model#: 05546
    $359.95

  4. 2" Extra-Narrowband oxygen III Filter by Orion

    Orion - 2" Extra-Narrowband Oxygen III Filter

    If you're using a monochrome CCD camera like Orion's Parsec 8300M, these specialized "line" filters are the perfect complement.

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    Model#: 05545
    $369.99

  5. Orion - 2" Extra-Narrowband Hydrogen Alpha Filter

    Orion - 2" Extra-Narrowband Hydrogen Alpha Filter

    Filter for astrophotography transmits 90% of light at 656.3nm wavelength (H-alpha).

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    Model#: 05547
    $359.95

  6. Orion 1.25" Luminance/IR Cutoff Astrophotography Filter
  7. Orion 1.25" H-Alpha Extra-Narrowband Filter

    Orion - 1.25" H-Alpha Extra-Narrowband Filter

    Get Great Nebula Images Under City Lights or a Full Moon with the Orion Hydrogen-Alpha Extra Narrowband Astrophotography Filter!

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    Model#: 05587
    $179.99

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