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Astrodon

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  1. Astrodon - T-Thread Stop-Ring for top of Helical Focuser
  2. Astrodon - Adapter 2" Male 0.75" Long for FLI CFW-2-7
  3. Astrodon - Camera-side 3" Male Adapter - 0.75" Long
  4. Astrodon - 92mm/2.7" Female/Female Adapter for Takahashi CAA Rotator
  5. Astrodon - Photometric Sloan - 1.25" Gen 2 Mounted Y Filter

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

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

    ...
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    Model#: Y2-27R
    $200.00

  6. Astrodon - 36mm OIII 5nm Narrowband Filter - Unmounted

    Astrodon - 36mm 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#: OIII5-36R
    $435.00

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

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

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

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    Model#: V-27R
    $200.00

  8. Astrodon - 36mm Unmounted OIII 3nm Filter - Narrowband

    Astrodon - 36mm Unmounted OIII 3nm Filter - Narrowband

    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#: OIII3-36R
    $650.00

  9. Astrodon - 36mm H-Alpha 5nm Narrowband Filter - Unmounted

    Astrodon - 36mm H-Alpha 5nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 36mm Unmounted Filter. ... Learn More
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    (48 States)
    Model#: HA5-36R
    $435.00

  10. Astrodon 1.25" dia. Unmounted R Filter

    Astrodon - Photometric UVBRIc - 50mm Unmounted Square Johnson-Cousins Ic Edge Blackened Filter

    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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    (48 States)
    Model#: IC-50S
    $440.00

  11. Astrodon Gen2 I-Series LRGB (set of 4) Mounted in 31mm Inserts

    Astrodon - Gen2 I-Series LRGB Set - Mounted in 31mm Inserts

    Astrodon 31mm Gen2 LRGB I-series filters are the pinnacle of high performance CCD filters. The I-Series Gen2 LRGB filters were designed for cameras containing the Interline KAI11002, KAI16000, sensors. ... Learn More
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    (48 States)
    Model#: LRGB2-I31R
    $525.00

  12. 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),

    ...
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    (48 States)
    Model#: SII3-27R
    $490.00

  13. 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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    (48 States)
    Model#: RedCon5-50R
    $725.00

  14. Astrodon - Adapter 3" Male 0.4" Long  for FLI Centerline
  15. Astrodon - MonsterMOAG Extra Port Assembly

    Astrodon - MonsterMOAG Extra Port Assembly

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    (48 States)
    Model#: MMOAG-PORT
    $365.00

  16. Astrodon Narrowband 50mm Unmounted NII 3 nm Filter

    Astrodon - Narrowband - 1.25" Mounted 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),

    ...
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    (48 States)
    Model#: NII3-27R
    $490.00

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

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

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

    ...
    Learn More
    Model#: U'2-27R
    $200.00

  18. Astrodon Mounted LRGB Gen2 I-Series 1.25" Filter Set

    Astrodon - Mounted LRGB Gen2 I-Series 1.25" Filter Set

    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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    (48 States)
    Model#: LRGB2-I27R
    $475.00

  19. Astrodon - Camera-side 2.156" Male Adapter for SBIG STL Cameras - 0.1" Long
  20. Astrodon Photometric Sloan 1.25" Mounted Gen2 g' Edge Blackened Filter

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

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

    ...
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    Model#: R'2-27R
    $200.00

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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.