Astrodon

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  1. Astrodon - MonsterMOAG 3" Standalone Off-Axis Guider - 1 Guide Port

    $875.00
    SKU: ADO-MMOAG-1

    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.

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

    $330.00
    SKU: ADO-SII5-27R

    Wait Time is 3-5 Days

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

    $200.00
    SKU: ADO-R2-27R

    In stock

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

  5. Astrodon - Adapter 2" Male 0.2" Long for FLI CFW-2-7

    $105.00
    SKU: ADO-MMOAG-F-S

    Wait Time is 3-5 Days

  6. Astrodon - Gen2 E-Series LRGB Set - 36mm Unmounted Set

    $675.00
    SKU: ADO-LRGB2-E36R

    Wait Time is 3-5 Days

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  7. Astrodon - 1.25" UVenus Mounted Filter

    $190.00
    SKU: ADO-UVENUS-27R

    In stock

    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.

  8. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 i' Edge Blackened Square Filter

    $440.00
    SKU: ADO-I2-50S

    Wait Time is 3-5 Days

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

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  9. Astrodon - Unmounted LRGB Gen2 I-Series 50mm Set

    $950.00
    SKU: ADO-LRGB2-I50R

    Wait Time is 3-5 Days

    The Astrodon I-Series Unmounted Gen2 Filters set are designed to approximately equalize the flux of  Interline CCD detectors (formerly Kodak), including compensation for the solar photon flux.  The I-Series filters compensate for the lower red response of these Interline detectors affecting the design of the Green and Red filters.

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  10. Astrodon - 50x50mm Unmounted Clear UV Blocking (No NIR Blocking) Square Filter

    $320.00
    SKU: ADO-C2-50S

    Wait Time is 3-5 Days

    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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  11. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z_s Edge Blackened Filter

    $400.00
    SKU: ADO-z-s2-50R

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

    $490.00
    SKU: ADO-HA3-31R

    Wait Time is 3-5 Days

    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.
    FREE SHIPPING(48 States)
  13. Astrodon - Narrowband - 36mm Unmounted H-Alpha 3 nm Filter

    $650.00
    SKU: ADO-HA3-36R

    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)
  14. Astrodon - 1.25" OIII 3nm Narrowband Filter - Mounted

    $490.00
    SKU: ADO-OIII3-27R

    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)
  15. Astrodon - Photometric UVBRIc - 50x50mm Square Unmounted Johnson/Cousins UV Edge Blackened Filter

    $440.00
    SKU: ADO-UV-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.

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  16. Astrodon - Photometric UVBRIc - Johnson-Cousins 50mm Unmounted Rc Edge Blackened Square Filter

    $440.00
    SKU: ADO-RC-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.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

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  17. Astrodon - 50mm OIII 5nm Narrowband Square Filter - Unmounted

    $875.00
    SKU: ADO-OIII5-50S

    Wait Time is 3-5 Days

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

    $400.00
    SKU: ADO-V-50R

    In stock

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

    FREE SHIPPING(48 States)
  19. Astrodon - 50mm Unmounted ExoPlanet-BB Filter

    $285.00
    SKU: ADO-XOPBB-50R

    In stock

    Astrodon introduces the ExoPlanet-BB filter for use in amateur-scale telescopes to measure light curves of exoplanets.

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

    $1,250.00
    SKU: ADO-NII3-50S

    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)
Showing 21 to 40 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.