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  1. Coronado - 60mm Ha Narrowband Element Front Unit & TMax Tuner for Double Stacking

    DISCONTINUED: Coronado - 60mm Ha Narrowband Element Front Unit & TMax Tuner for Double Stacking

    H-Alpha 60mm narrowband unit for use in doublestacking. Cannot be used without secondary interference filter. Comes with T-Max tuner. Needs a SM60 Doublestack Adapter Plate (sold separately) in order to attach to a SolarMax 60 ... Learn More
    Model#: SM60
  2. Lunt - 130mm Energy Rejection Filter

    DISCONTINUED: Lunt - 130mm Energy Rejection Filter

    High quality diffraction limited IR Cut Energy-Rejection-Filters for h-alpha solar filters.Unmounted filters only. Adapter plates we machine on request to customers need, please ask for a quote ... Learn More
    Model#: LS130ERF
  3. Astronomik - CLS Visual Light Pollution Filter - 50mm Round Unmounted

    Astronomik - CLS Visual Light Pollution Filter - 50mm Round Unmounted

    The Astronomik Visual CLS is a light pollution filter for black & white and color imaging of nebulae, galaxies and star clusters.

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    Model#: CLS-50R
    $189.95

  4. Baader Planetarium - 1.25" Double Polarizing Filter (with rotating Filter cell)

    Baader Planetarium - 1.25" Double Polarizing Filter (with rotating Filter cell)

    Baader Planetarium - 1.25" double polarizing Filter (with rotating Filter cell)  A particularly handy attribute of the Herschel Wedge is it's partial polarizing effect on the solar image

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    Model#: FPOL-1
    $54.00

  5. APM - Herschelwedge / Solarprism 1.25 "

    APM - Herschelwedge / Solarprism 1.25 "

    Herschelwedges/Solarprisms designed by APM Telescopes for high resolution photo-visual work with refractors and shiefspieglers.Warning: Never use the Herschelwedge in Catadioptric Telescopes like Schmidt Cassegrain or Maksutov Cassegrain

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    FREE SHIPPING
    (48 States)
    Model#: APM10013
    $220.00

  6. Astrodon - 1.25" Mounted Astrodon Gen2 I-Series LRGB Filters (set of 4)

    Astrodon - 1.25" Mounted Astrodon Gen2 I-Series LRGB Filters (set of 4)

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-I27R
    $475.00

  7. Astrodon - Tru-Balance I-Series - 1.25" Mounted CRGB Filter

    Astrodon - Tru-Balance I-Series - 1.25" Mounted CRGB Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: CRGB2-I27R
    $450.00

  8. Astrodon 50mm Unmounted Gen2 I-Series LRGB Filters (set of 4)

    Astrodon - 50mm Unmounted Gen2 I-Series LRGB Filters (set of 4)

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!  Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-I50R
    $950.00

  9. Astrodon - Tru-Balance I-Series - 50mm dia. CRGB Filter

    Astrodon - Tru-Balance I-Series - 50mm dia. CRGB Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!  Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: CRGB2-I50R
    $875.00

  10. Astrodon 50mm Unmounted Clear Filter (UV-Blocked, No NIR Blocking)

    Astrodon - 50mm Unmounted Clear Filter (UV-Blocked, No NIR Blocking)

    Clear optical windows Pass all frequency of light to the detector.

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    FREE SHIPPING
    (48 States)
    Model#: C2-50R
    $270.00

  11. Astrodon - Tru-Balance I-Series - 50mm Generation 2 GREEN Filter

    Astrodon - Tru-Balance I-Series - 50mm Generation 2 GREEN Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!  Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: G2-I50R
    $210.00

  12. Astrodon - 1.25" Mounted CLEAR Filter

    Astrodon - 1.25" Mounted CLEAR Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping! Clear optical windows. Pass all frequency of light to the detector.IF your optical system is well color corrected ... Learn More
    Model#: C2-27
    $140.00

  13. Astrodon Tru-Balance E-Series 1.25" Mounted LRGB Filters

    Astrodon - 1.25" Mounted 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.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E27R
    $475.00

  14. Astrodon - Tru-Balance E-Series - 1.25" Mounted CRGB Filter

    Astrodon - Tru-Balance E-Series - 1.25" Mounted CRGB Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: CRGB2-E27R
    $450.00

  15. Astrodon 1.25" Mounted Clear Filter (UV-Blocked, No NIR Blocking)

    Astrodon - 1.25" Mounted Clear Filter (UV-Blocked, No NIR Blocking)

    Clear optical windows Pass all frequency of light to the detector.

    ...
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    Model#: C2-27R
    $150.00

  16. Astrodon - Tru-Balance E-Series - 1.25" Generation 2 Mounted GREEN Filter

    Astrodon - Tru-Balance E-Series - 1.25" Generation 2 Mounted GREEN Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    Model#: G2-E27R
    $125.00

  17. Astrodon - 50mm Unmounted Gen2 E-Series LRGB Filters (set of 4)

    Astrodon - 50mm 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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    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E50R
    $950.00

  18. Astrodon - Tru-Balance E-Series - 50mm dia. CRGB Filter

    Astrodon - Tru-Balance E-Series - 50mm dia. CRGB Filter

    TRU-BALANCE FILTERSSIMPLIFY YOUR IMAGINGGreat Filters Just Got Better - Generation 2 Now Shipping!        Astrodon Tru-Balance RGB filters have revolutionized CCD imaging ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: CRGB2-E50R
    $875.00

  19. Astrodon Tru-Balance E-Series 50mm Square LRGB Filter

    Astrodon - 50mm Unmounted Gen2 E-Series LRGB Square 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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    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E50S
    $1,225.00

  20. Astrodon - Tru-Balance E-Series - 50mm Square CRGB Filter

    Astrodon - Tru-Balance E-Series - 50mm Square CRGB Filter

    What really distinguishes E-Series Tru-Balance filters is their ability to regulate the transition of photons.

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    FREE SHIPPING
    (48 States)
    Model#: CRGB2-E50S
    $1,150.00

Items 1 to 20 of 1030 total

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