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Astrodon

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  1. Astrodon - 31mm SII 3nm Narrowband Filter - Unmounted

    Astrodon - 31mm SII 3nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon SII Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: SII3-31R

    Available - Ships in 2-4 Days

    $490.00

  2. Astrodon - 31mm OIII 5nm Narrowband Filter - Unmounted

    Astrodon - 31mm OIII 5nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
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    (48 States)
    Model#: OIII5-31R

    Available - Ships in 2-4 Days

    $330.00

  3. Astrodon - 31mm OIII 3nm Narrowband Filter - Unmounted

    Astrodon - 31mm OIII 3nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-31R

    Available - Ships in 2-4 Days

    $490.00

  4. Astrodon - 31mm H-Alpha 3nm Narrowband Filter - Unmounted

    Astrodon - 31mm H-Alpha 3nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-31R

    Available - Ships in 2-4 Days

    $490.00

  5. Astrodon 1.25" UVenus Mounted Filter

    Astrodon - 1.25" UVenus Mounted Filter

    Astrodon introduces a breakthrough in UV filters for CCD imaging. A  durable, hard--coated UV filter of the highest quality having the best transmission available.

    ...
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    Model#: UVENUS-27R

    In Stock

    $190.00

  6. Astrodon - 1.25" OIII 5nm Narrowband Filter - Mounted

    Astrodon - 1.25" OIII 5nm Narrowband Filter - Mounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 1.25" 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII5-27R

    Available - Ships in 2-4 Days

    $330.00

  7. Astrodon - 1.25" OIII 3nm Narrowband Filter - Mounted

    Astrodon - 1.25" OIII 3nm Narrowband Filter - Mounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 31mm 3nm filter. 3nm filters will greatly increase contrast and are a great way to image in light polluted locations. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII3-27R

    Available - Ships in 2-4 Days

    $490.00

  8. Astrodon 1.25" Mounted Exo-Planet (Clear with Blue-Blocking)

    Astrodon - 1.25" Mounted Exo-Planet (Clear with Blue-Blocking) 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

    In Stock

    $185.00

  9. Astrodon 1.25" Mounted Clear UV Blocking (No NIR Blocking) Filter

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

    UV-Blocked Clear filters with 395 nm cut-on and 97%T to 1000 nm often purchased with Astrodon photometric filters.

    ...
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    Model#: C2-27R

    Available - Ships in 2-4 Days

    $150.00

  10. Astrodon - 1.25" H-Alpha 5nm Narrowband Filter - Mounted

    Astrodon - 1.25" H-Alpha 5nm Narrowband Filter - Mounted

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 1.25" 5nm filter. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA5-27R

    In Stock

    $330.00

  11. Astrodon 1.25" Eyepiece Extender

    Astrodon - 1.25" Eyepiece Extender

    This eyepiece extension is designed to work with all Astrodon Manual Off-Axis Guiders, or MOAG's.

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    Model#: MOAG-EYE

    Available - Ships in 2-4 Days

    $28.00

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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.