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Astrodon

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

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

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    Model#: STOP-RING

    Available - Ships in 2-4 Days

    $55.00

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

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

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    Model#: MMOAG-3-L

    Available - Ships in 2-4 Days

    $105.00

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

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

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    Model#: CAA-APF

    Available - Ships in 2-4 Days

    $105.00

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

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

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    Model#: MMOAG-F-L

    Available - Ships in 2-4 Days

    $105.00

  5. Astrodon NIR Tricolor - 50mm NIRL Luminance Round Unmounted Filter

    Astrodon - NIR Tricolor - 50mm NIRL Luminance Round Unmounted Filter

    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 50mm round and unmounted to fit in your 50mm filter wheel.

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    Model#: NIRL-50R

    Available - Ships in 2-4 Days

    $335.00

  6. Astrodon 50mm Unmounted ExoPlanet-BB Square Filter

    Astrodon - 50mm Unmounted ExoPlanet-BB Square 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-50S

    Available - Ships in 2-4 Days

    $360.00

  7. Astrodon - Narrowband - 36mm Unmounted Red Continuum 5nm Filter

    Astrodon - Narrowband - 36mm 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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    Model#: RedCon5-36R

    Available - Ships in 2-4 Days

    $435.00

  8. Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted H-Alpha 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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    Model#: HA3-50R

    Available - Ships in 2-4 Days

    $995.00

  9. Astrodon Narrowband 50mm Unmounted Red Continuum 5nm Filter

    Astrodon - Narrowband - 50x50mm Unmounted Red Continuum 5nm Square 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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    Model#: REDCON5-50S

    Available - Ships in 2-4 Days

    $875.00

  10. Astrodon Photometric Sloan 50mm Unmounted Gen2 g' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' 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#: g'2-50R

    Available - Ships in 2-4 Days

    $400.00

  11. Astrodon - Adapter 3" Male 0.4" Long  for FLI Centerline

    Astrodon - Adapter 3" Male 0.4" Long for FLI Centerline

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    Model#: MMOAG-3-M

    Available - Ships in 2-4 Days

    $105.00

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

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

    Astrodon 31mm Gen2 LRGB E-series filters are the pinnacle of high performance CCD filters. The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors. ... Learn More
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    Model#: LRGB2-E27R

    In Stock

    $475.00

  13. Astrodon MegaMOAG 4"-3" Standalone Off-Axis Guider

    Astrodon - MegaMOAG 4"-3" Standalone Off-Axis Guider

    The MegaMOAG takes the design of the MonsterMOAG and adapts it for telescope systems with larger optical openings.  It comes with the same camera-side adapter as the MonsterMOAG but it has a 4" opening on the scope side and comes with a 4 1/16" - 24 male adapter to connect to larger extension tubes found on the back of many larger telescopes.

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    Model#: MeMOAG-1

    Available - Ships in 2-4 Days

    $895.00

  14. 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

  15. Astrodon Photometric Sloan 50mm Unmounted Gen2 i' Edge Blackened Filter

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

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

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    (48 States)
    Model#: i'2-50R

    Available - Ships in 2-4 Days

    $400.00

  16. 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

    In Stock

    $475.00

  17. Astrodon Camera-side T-Thread (42mm) Male Adapter for SBIG ST Cameras - 0.1" Long

    Astrodon - Camera-side T-Thread (42mm) Male Adapter for SBIG ST Cameras - 0.1" Long

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    Model#: MMOAG-ST-S

    Available - Ships in 2-4 Days

    $105.00

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

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s 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#: z-s2-27R

    Available - Ships in 2-4 Days

    $200.00

  19. 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

  20. Astrodon Photometric UVBRIc - 1.25" Mounted UV Edge Blackened Filter

    Astrodon - Photometric UVBRIc - 1.25" Mounted Johnson/Cousins UV 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#: UV-27R

    In Stock

    $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.