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Astrodon

Items 41 to 60 of 111 total

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  1. Astrodon - NIR Tricolor - 50mm NIRL Luminance Square Filter

    Astrodon - NIR Tricolor - 50mm NIRL Luminance Square Filter

    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.

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    (48 States)
    Model#: NIRL-50S

    Available

    $525.00

  2. Astrodon NIR Tricolor - 50mm NIRL Luminance Round Unmounted Filter

    Astrodon - NIR Tricolor - 50mm NIRL Luminance Round Unmounted Filter

    Astrodon's NIR filters allow you to explore the largely unvisited region of near-IR light found in many nebulae and galaxies. This Astrodon NIR filter is 50mm round and unmounted to fit in your 50mm filter wheel.

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    (48 States)
    Model#: NIRL-50R

    Available

    $335.00

  3. Astrodon - NIR Tricolor - 1.25" NIRL Luminance Round Mounted Filter

    Astrodon - NIR Tricolor - 1.25" NIRL Luminance Round Mounted Filter

    Astrodon's NIR filters allow you to explore the largely unvisited region of near-IR light found in many nebulae and galaxies. This Astrodon NIR filter is 1.25" round and mounted to fit in your 1.25" filter wheel. Bring out details you have never known existed! NIR filters are a great addition to a traditional narrowband filter set. ... Learn More
    Model#: NIRL-27R

    Available

    $195.00

  4. Astrodon Narrowband 50mm Unmounted Red Continuum 5nm Filter

    Astrodon - Narrowband - 50x50mm Unmounted Red Continuum 5nm 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, 501 nm), sulfur (SII, 672nm) and others.

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    (48 States)
    Model#: REDCON5-50S

    Available

    $875.00

  5. Astrodon Narrowband 50mm Unmounted SII 5 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted SII 5 nm Square Filter

    When it comes to Narrowband filters, no one knows more or does it better than Don Goldman of Astrodon Filters. 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, 501 nm), sulfur (SII, 672nm) and others.

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    (48 States)
    Model#: SII5-50S

    In Stock

    $875.00

  6. Astrodon Narrowband 50mm Unmounted SII 5 nm Filter

    Astrodon - Narrowband - 50mm Unmounted SII 5 nm Filter

    When it comes to Narrowband filters, no one knows more or does it better than Don Goldman of Astrodon Filters. 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, 501 nm), sulfur (SII, 672nm) and others.

    ...
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    (48 States)
    Model#: SII5-50R

    Available

    $725.00

  7. 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),

    ...
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    (48 States)
    Model#: SII3-50S

    Available

    $1,250.00

  8. Astrodon - Narrowband - 50mm Unmounted SII 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted SII 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#: SII3-50R

    Available

    $995.00

  9. Astrodon Narrowband 50mm Unmounted Red Continuum 5nm Filter

    Astrodon - Narrowband - 50mm Unmounted Red Continuum 5nm 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, 501 nm), sulfur (SII, 672nm) and others.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: RedCon5-50R

    Available

    $725.00

  10. 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),

    ...
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    (48 States)
    Model#: NII3-50S

    Available

    $1,250.00

  11. 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),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: NII3-50R

    Available

    $995.00

  12. Astrodon - Narrowband - 50mm Unmounted H-Alpha 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),

    ...
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    FREE SHIPPING
    (48 States)
    Model#: HA3-50S

    Available

    $1,250.00

  13. 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

    Available

    $995.00

  14. Astrodon Narrowband 36mm Unmounted SII 5 nm Filter

    Astrodon - Narrowband - 36mm Unmounted SII 5 nm Filter

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    (48 States)
    Model#: SII5-36R

    Available

    $435.00

  15. Astrodon - Narrowband - 36mm Unmounted SII 3 nm Filter

    Astrodon - Narrowband - 36mm Unmounted SII 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#: SII3-36R

    In Stock

    $650.00

  16. Astrodon - Narrowband - 36mm Unmounted Red Continuum 5nm Filter

    Astrodon - Narrowband - 36mm Unmounted Red Continuum 5nm 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, 501 nm), sulfur (SII, 672nm) and others.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RedCon5-36R

    Available

    $435.00

  17. Astrodon - Narrowband - 36mm Unmounted H-Alpha 3 nm Filter

    Astrodon - Narrowband - 36mm 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#: HA3-36R

    In Stock

    $650.00

  18. Astrodon Narrowband 1.25" Mounted SII 5 nm Filter

    Astrodon - Narrowband - 1.25" Mounted SII 5 nm Filter

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: SII5-27R

    Available

    $330.00

  19. Astrodon - Narrowband - 1.25" Mounted SII 3 nm Filter

    Astrodon - Narrowband - 1.25" Mounted SII 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#: SII3-27R

    In Stock

    $490.00

  20. Astrodon - Narrowband - 1.25" Mounted Red Continuum 5nm Filter

    Astrodon - Narrowband - 1.25" Mounted Red Continuum 5nm 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, 501 nm), sulfur (SII, 672nm) and others.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RedCon5-27R

    Available

    $330.00

Items 41 to 60 of 111 total

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Like many successful ventures, Astrodon can trace its roots to one individual’s desire to fill a void in the marketplace. Astrophotography hobbyist Don Goldman wanted to capture some of the night sky’s most beautiful offerings in vivid color but was frustrated by the limitations of the RGB filters available in the early 2000s. Goldman became driven to simplify the imaging process so he set out to create high performing, color-balanced RGB filters that would eliminate extra steps in an already meticulous process. In 2003, he began manufacturing his signature LRGB filter design and Astrodon was born. Since then, Astrodon has expanded its offerings to include narrowband filters, research-grade photometric filters and off-axis guiding hardware to enhance the CCD astro-imaging experience. Now a leader in the premium astrophotography filter market, the company’s unwavering commitment to quality is reflected both in its choices — like the use of 100 percent hard-oxide sputtered coatings — and its increasing use at professional facilities like the famous Palomar Observatory.