Astrodon

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  1. Astrodon - Adapter 2" Male 0.75" Long for FLI CFW-2-7

    $105.00
    SKU: ADO-MMOAG-F-L

    Wait Time is 3-5 Days

  2. Astrodon - T-Thread Stop-Ring for top of Helical Focuser

    $55.00
    SKU: ADO-STOP-RING

    Wait Time is 3-5 Days

  3. Astrodon - Camera-side 3" Male Adapter - 0.75" Long

    $105.00
    SKU: ADO-MMOAG-3-L

    Wait Time is 3-5 Days

  4. Astrodon - 92mm/2.7" Female/Female Adapter for Takahashi CAA Rotator

    $105.00
    SKU: ADO-CAA-APF

    Wait Time is 3-5 Days

  5. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' Edge Blackened Square Filter

    $440.00
    SKU: ADO-G2-50S

    Wait Time is 3-5 Days

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    FREE SHIPPING(48 States)
  6. Astrodon - 50mm OIII 3nm Narrowband Filter - Unmounted

    $995.00
    SKU: ADO-OIII3-50R

    In stock

    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.
    FREE SHIPPING(48 States)
  7. Astrodon - Photometric UBVRIc - 50mm Unmounted Square Johnson/Cousins B Edge Blackened Filter

    $440.00
    SKU: ADO-B-50S

    Wait Time is 3-5 Days

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.

    FREE SHIPPING(48 States)
  8. Astrodon - NIR Tricolor - 50mm NIRL Luminance Square Filter

    $525.00
    SKU: ADO-NIRL-50S

    In stock

    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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  9. Astrodon - 50mm H-Alpha 5nm Narrowband Filter - Unmounted

    $725.00
    SKU: ADO-HA5-50R

    Wait Time is 3-5 Days

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 50mm Unmounted Filter.
    FREE SHIPPING(48 States)
  10. Astrodon - Photometric UVBRIc - 50mm Unmounted Johnson-Cousins Ic Edge Blackened Filter

    $400.00
    SKU: ADO-IC-50R

    In stock

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

    FREE SHIPPING(48 States)
  11. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 u' Edge Blackened Filter

    $400.00
    SKU: ADO-U2-50R

    In stock

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    FREE SHIPPING(48 States)
  12. Astrodon - MonsterMOAG 3" Standalone Off-Axis Guider - 2 Guide Port

    $1,050.00
    SKU: ADO-MMOAG-2

    Wait Time is 3-5 Days

    MOAG means Manual Off-Axis Guider.  It allows the user to guide their telescope to obtain sharp, round stars by guiding in front of your filters using unfiltered light in the same optical beam as the imaging camera.

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

    $490.00
    SKU: ADO-SII3-27R

    In stock

    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),

    FREE SHIPPING(48 States)
  14. Astrodon - Narrowband - 1.25" Mounted Red Continuum 5nm Filter

    $330.00
    SKU: ADO-RedCon5-27R

    Wait Time is 3-5 Days

    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.

    FREE SHIPPING(48 States)
  15. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 r' Edge Blackened Filter

    $400.00
    SKU: ADO-R2-50R

    In stock

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    FREE SHIPPING(48 States)
  16. Astrodon - Gen2 E-Series LRGB Set - 50mm Unmounted Set

    $950.00
    SKU: ADO-LRGB2-E50R

    In stock

    FREE SHIPPING(48 States)
  17. Astrodon - Narrowband - 50mm Unmounted NII 3 nm Filter

    $995.00
    SKU: ADO-NII3-50R

    Wait Time is 3-5 Days

    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),

    FREE SHIPPING(48 States)
  18. Astrodon - Narrowband - 31mm Unmounted H-Alpha 5 nm Filter

    $330.00
    SKU: ADO-HA5-31R

    In Stock

    HA 31mm at 5nanometer Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 31mm 5nm filter.

    FREE SHIPPING(48 States)

    Out of stock

  19. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z' Edge Blackened Filter

    $200.00
    SKU: ADO-Z2-27R

    Wait Time is 3-5 Days

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

  20. Astrodon - Gen2 E-Series LRGB Set - Mounted in 31mm Inserts

    $525.00
    SKU: ADO-LRGB2-E31R

    Wait Time is 3-5 Days

    FREE SHIPPING(48 States)
Showing 1 to 20 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.