Astrodon

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  1. Astrodon - 1.25" Mounted Gen2 E-Series LRGB Set

    $475.00
    SKU: ADO-LRGB2-E27R

    Wait Time is 3-5 Days

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  2. Astrodon - 1.25" Mounted Gen2 I-Series LRGB Set

    $475.00
    SKU: ADO-LRGB2-I27R

    Wait Time is 3-5 Days

    I-Series filters are designed to approximately equalize the flux of  Interline CCD detectors (formerly Kodak), including compensation for the solar photon flux.

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  3. Astrodon - 1.25" Mounted Narrowband H-Alpha 3 nm Filter

    $490.00
    SKU: ADO-HA3-27R

    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),

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  4. Astrodon - 1.25" Mounted Narrowband NII 3 nm Filter

    $490.00
    SKU: ADO-NII3-27R

    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),

    FREE SHIPPING(48 States)
  5. Astrodon - 1.25" Mounted Narrowband 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)
  6. Astrodon - 1.25" Mounted Narrowband SII 3 nm Filter

    $490.00
    SKU: ADO-SII3-27R

    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),

    FREE SHIPPING(48 States)
  7. Astrodon - 1.25" Mounted Narrowband SII 5 nm Filter

    $330.00
    SKU: ADO-SII5-27R

    Wait Time is 3-5 Days

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  8. Astrodon - 1.25" Mounted NIR Tricolor Luminace Filter

    $195.00
    SKU: ADO-NIRL-27R

    Wait Time is 3-5 Days

    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.
  9. Astrodon - 1.25" Mounted Photometric Sloan Gen 2 Y Filter

    $200.00
    SKU: ADO-Y2-27R

    Wait Time is 3-5 Days

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

  10. Astrodon - 1.25" Mounted Photometric Sloan Gen2 g' Edge Blackened Filter

    $200.00
    SKU: ADO-G2-27R

    Wait Time is 3-5 Days

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

  11. Astrodon - 1.25" Mounted Photometric Sloan Gen2 i' Edge Blackened Filter

    $200.00
    SKU: ADO-I2-27R

    Wait Time is 3-5 Days

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

  12. Astrodon - 1.25" Mounted Photometric Sloan Gen2 r' Edge Blackened Filter

    $200.00
    SKU: ADO-R2-27R

    Wait Time is 3-5 Days

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

  13. Astrodon - 1.25" Mounted Photometric Sloan Gen2 u' Edge-Blackened Filter

    $200.00
    SKU: ADO-U2-27R

    Wait Time is 3-5 Days

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

  14. Astrodon - 1.25" Mounted Photometric Sloan 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

  15. Astrodon - 1.25" Mounted Photometric Sloan Gen2 z_s Edge Blackened Filter

    $200.00
    SKU: ADO-z-s2-27R

    Wait Time is 3-5 Days

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

  16. Astrodon - 1.25" Mounted Photometric UBVRIc Johnson/Cousins V Edge Blackened Filter

    $200.00
    SKU: ADO-V-27R

    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.

  17. Astrodon - 1.25" Mounted Photometric UVBRIc Johnson-Cousins Ic Edge Blackened Filter

    $200.00
    SKU: ADO-IC-27R

    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.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

  18. Astrodon - 1.25" Mounted Photometric UVBRIc Johnson/Cousins Rc Edge Blackened Filter

    $200.00
    SKU: ADO-RC-27R

    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).

  19. Astrodon - 1.25" Mounted Photometric UVBRIc Johnson/Cousins UV Edge Blackened Filter

    $200.00
    SKU: ADO-UV-27R

    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.

  20. Astrodon - 1.25'' Eyepiece Extender

    $28.00
    SKU: ADO-MOAG-EYE

    Wait Time is 3-5 Days

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

Showing 1 to 20 of 106 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.