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  1. Astrodon 36mm Unmounted Gen2 E-Series LRGB (set of 4)

    Astrodon - 36mm Unmounted Gen2 E-Series LRGB Filters (set of 4)

    Astrodon Tru-Balance RGB filters have revolutionized CCD imaging. Their popularity is due to ease-of-use, high optical throughput and great resulting color for galaxies, star clusters and nebulae.  There are two varieties of Tru-Balance filters - E-Series and I-Series.

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    (48 States)
    Model#: LRGB2-E36R
    $675.00

  2. Astrodon 1.25" ExoPlanet-BB Filter

    Astrodon - 1.25" Mounted ExoPlanet-BB Filter

    Astrodon introduces the ExoPlanet-BB filter for use in amateur-scale telescopes to measure light curves of exoplanets.

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    Model#: XOPBB-27R
    $185.00

  3. Astronomik - LRGB Filter Set - 1.25" Round Mounted - Type 2c

    Astronomik - LRGB Filter Set - 1.25" Round Mounted - Type 2c

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

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    (48 States)
    Model#: LRGB-1
    $289.95

  4. Astronomik - CLS Light Pollution Filter - Canon EOS Clip

    Astronomik - CLS Light Pollution Filter - Canon EOS Clip

    Astronomik CLS blocks the light of the spectral lines of mercury and sodium-vapor lamps and lets the largest part of the visible light and H-alpha emissions pass.

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    Model#: CLS-EOS
    $139.95

  5. Astronomik - Planet IR Pro 742 Filter - 1.25" Round Mounted

    Astronomik - Planet IR Pro 742 Filter - 1.25" Round Mounted

    The Astronomik ProPlanet 742 is the ideal filters for the reception of the moon and planets, notably Mars, with telescopes from 6" (150mm) aperture.

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    Model#: P742-1
    $39.95

  6. Astronomik - CLS Light Pollution Filter - 2" Round Mounted

    Astronomik - CLS Light Pollution Filter - 2" Round Mounted

    The Astronomik CLS is an excellent filter for black & white and color imaging of nebulae, galaxies and star clusters with astronomical instruments of any size.

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    Model#: CLS-2
    $169.95

  7. Astronomik - CLS Light Pollution Filter - 1.25" Mounted

    Astronomik - CLS Light Pollution Filter - 1.25" Mounted

    The Astronomik CLS is an excellent filter for black & white and color imaging of nebulae, galaxies and star clusters with astronomical instruments of any size.

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    Model#: CLS-1
    $74.95

  8. Astronomik H-Alpha 12nm CCD Filter - Canon EOS Clip

    Astronomik - H-Alpha 12nm CCD Filter - Canon EOS Clip

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    Model#: HA12-EOS
    $189.95

  9. Astronomik - H-Alpha 12nm CCD Filter - 1.25" Round Mounted

    Astronomik - H-Alpha 12nm CCD Filter - 1.25" Round Mounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography. The filter lets the H-alpha light of emission nebulae pass and blocks nearly the whole remainder of the spectrum where the CCD is sensitive.

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    Model#: HA12-1
    $124.95

  10. Astronomik - H-Alpha 12nm CCD Filter - 2" Round Mounted

    Astronomik - H-Alpha 12nm CCD Filter - 2" Round Mounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    (48 States)
    Model#: HA12-2
    $289.95

  11. Astronomik - H-Alpha 6nm CCD Filter - 50mm Round Unmounted

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

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

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    (48 States)
    Model#: HA6-50R
    $449.95

  12. Astronomik H-Alpha 6nm CCD Filter - 1.25" Round Mounted

    Astronomik - H-Alpha 6nm CCD Filter - 1.25" Round Mounted

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

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    Model#: HA6-1
    $199.95

  13. Astronomik - H-Alpha CCD Filter 6nm - 2" Mounted

    Astronomik - H-Alpha CCD Filter 6nm - 2" Mounted

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

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    (48 States)
    Model#: HA6-2
    $449.95

  14. Astronomik - H-Alpha 12nm CCD Filter - 50mm Round Unmounted

    Astronomik - H-Alpha 12nm CCD Filter - 50mm Round Unmounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    (48 States)
    Model#: HA12-50R
    $289.95

  15. Astronomik H-Alpha 12nm CCD Filter - T Threads

    Astronomik - H-Alpha 12nm CCD Filter - T Threads

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    (48 States)
    Model#: HA12-T
    $214.95

  16. 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
    $569.95

  17. Astronomik - H-Alpha 12nm CCD Filter - 50mm Square Unmounted

    Astronomik - H-Alpha 12nm CCD Filter - 50mm Square Unmounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    (48 States)
    Model#: HA12-50SQ
    $379.95

  18. Astronomik - H-Alpha 6nm CCD Filter - Canon EOS Clip

    Astronomik - H-Alpha 6nm CCD Filter - Canon EOS Clip

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

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    (48 States)
    Model#: HA6-EOS
    $319.95

  19. Astronomik - H-Alpha 6nm CCD Filter - T Threads

    Astronomik - H-Alpha 6nm CCD Filter - T Threads

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

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    (48 States)
    Model#: HA6-T
    $344.95

  20. 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
    $599.95

Items 61 to 80 of 1031 total

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