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Items 81 to 97 of 97 total

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  1. 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

  2. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E50R
    $950.00

  3. 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

  4. Astrodon - Narrowband - 50mm Unmounted NII 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted NII 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
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    FREE SHIPPING
    (48 States)
    Model#: NII3-50R
    $995.00

  5. Astrodon - Narrowband - 50mm Unmounted OIII 3nm Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 3nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: SII3-50R
    $995.00

  6. Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-50R
    $995.00

  7. Astrodon - Narrowband - 50mm Unmounted OIII 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 3 nm Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-50R
    $995.00

  8. Astrodon - Narrowband - 65mm Unmounted H-Alpha 5 nm Square Filter

    Astrodon - Narrowband - 65mm Unmounted H-Alpha 5 nm Square Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
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    FREE SHIPPING
    (48 States)
    Model#: HA5-65S
    $1,050.00

  9. Astrodon - NIR Tricolor - 50mm dia. NIRL123 Tri-color Imaging (Set of 4)

    Astrodon - NIR Tricolor - 50mm dia. NIRL123 Tri-color Imaging (Set of 4)

    NIR Tricolor Filters        The NIR region remains largely unexplored by amateur imagers. Perhaps this is due to the impression that the Si CCD camera is not sufficiently sensitive in the NIR ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: NIRL123-50R
    $1,150.00

  10. 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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    (48 States)
    Model#: CRGB2-E50S
    $1,150.00

  11. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E50S
    $1,225.00

  12. Astrodon - Narrowband - 50mm Unmounted SII 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted SII 3 nm Square Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: SII3-50S
    $1,250.00

  13. Astrodon Narrowband 50mm Unmounted H-a 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Square Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-50S
    $1,250.00

  14. Astrodon Narrowband 50mm Unmounted NII 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted NII 3 nm Square Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: NII3-50S
    $1,250.00

  15. Astrodon - Narrowband - 50mm Unmounted OIII 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted OIII 3 nm Square Filter

    Narrowband (NB) filters  enhance contrast of emission objects by accepting only a narrow range of wavelengths around the emission lines of hydrogen (H-a, 656 nm), oxygen (OIII),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-50S
    $1,250.00

  16. Astrodon 65mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4)

    Astrodon - 65mm 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E65S
    $2,050.00

  17. Astrodon 65mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4) with 5 nm H-a Filter

    Astrodon - 65mm Unmounted Gen2 E-Series LRGB Square Filters (set of 4) with 5 nm H-Alpha Filter

    The E-Series is designed for the red-sensitive Kodak full-frame detectors with the goal of equalizing the fluxes, and hence, the signal-to-noise, for the red, green and blue filters.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: LRGB2HA5-E65S
    $3,150.00

Items 81 to 97 of 97 total

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