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  1. Orion - 2" Extra-Narrowband Oxygen III Filter

    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. Orion's 2" Oxygen-III Filter has a full-width half maximum (FWHM) bandpass of just 7nm, ensuring high-contrast images, even in heavily light-polluted or brightly moonlit skies. The filter can be used separately or in combination with a filter wheel for advanced tri-color imaging of emission nebulae.

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    Model#: 05545
    $359.95

  2. Orion - Nautilus Motorized Filter Wheel 7 x 1.25in.

    Orion - Nautilus Motorized Filter Wheel 7 x 1.25in.

    The new Nautilus motorized filter wheels are the best way to ensure automatic and trouble free filter transitions for your imaging setup.

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    Model#: 05527
    $359.95

  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. 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

  5. Orion - Nautilus Motorized Filter Wheel 4 x 2in.

    DISCONTINUED: Orion - Nautilus Motorized Filter Wheel 4 x 2in.

    This product is discontinued

    Now, every imaging session can be as productive as possible with the Nautilus Motorized 4x2" Filter Wheel. Not only does it ensure automatic and trouble free filter transitions for your monochrome imaging setup, but it saves precious imaging time.

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    Model#: 05526
  6. Orion - 2" Extra Narrowband Filter Set

    Orion - 2" Extra Narrowband Filter Set

    These specialized astrophotography filters pass select wavelengths and essentially block all other wavelengths of light, including light pollution, so you can capture images in less than ideal conditions.

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    Model#: 25545
    $969.95

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