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  1. Astrodon 50mm Unmounted Clear UV Blocking (No NIR Blocking) Filter

    Astrodon - 50x50mm Unmounted Clear UV Blocking (No NIR Blocking) Square 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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    FREE SHIPPING
    (48 States)
    Model#: C2-50S

    Available - Ships in 2-4 Days

    $320.00

  2. 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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    FREE SHIPPING
    (48 States)
    Model#: g'2-50R

    Available - Ships in 2-4 Days

    $400.00

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

    Astrodon - Narrowband - 1.25" Mounted 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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    (48 States)
    Model#: HA3-27R

    Available - Ships in 2-4 Days

    $490.00

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

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z' 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'2-27R

    In Stock

    $200.00

  5. Astrodon - Gen2 E-Series LRGB Set - 50mm Unmounted Set

    Astrodon - Gen2 E-Series LRGB Set - 50mm Unmounted Set

    Astrodon 50mm 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
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E50R

    Available - Ships in 2-4 Days

    $950.00

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

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

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: g'2-50S

    Available - Ships in 2-4 Days

    $440.00

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

    Astrodon - Photometric UVBRIc - 50x50mm Square Unmounted 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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    FREE SHIPPING
    (48 States)
    Model#: UV-50S

    Available - Ships in 2-4 Days

    $440.00

  8. Astrodon - Photometric UBVRIc - 50mm Unmounted Johnson/Cousins V Edge Blackened Filter

    Astrodon - Photometric UBVRIc - 50mm Unmounted 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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    FREE SHIPPING
    (48 States)
    Model#: V-50R

    In Stock

    $400.00

  9. 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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    (48 States)
    Model#: RedCon5-36R

    Available - Ships in 2-4 Days

    $435.00

  10. 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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    FREE SHIPPING
    (48 States)
    Model#: NIRL-50R

    Available - Ships in 2-4 Days

    $335.00

  11. Astrodon - 1.25" OIII 5nm Narrowband Filter - Mounted

    Astrodon - 1.25" OIII 5nm Narrowband Filter - Mounted

    Bring out the faint structures In nebulae with the Astrodon OIII Narrowband 1.25" 5nm filter. Setting a new bar of performance and durability for imaging and research. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIII5-27R

    Available - Ships in 2-4 Days

    $330.00

  12. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: REDCON5-50S

    Available - Ships in 2-4 Days

    $875.00

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

    Astrodon - 50mm OIII 5nm Narrowband Square 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
    FREE SHIPPING
    (48 States)
    Model#: OIII5-50S

    Available - Ships in 2-4 Days

    $875.00

  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.

    ...
    Learn More
    Model#: C2-27R

    Available - Ships in 2-4 Days

    $150.00

  15. 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

    Available - Ships in 2-4 Days

    $200.00

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

    Astrodon - Narrowband - 50mm Unmounted H-Alpha 3 nm 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),

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA3-50S

    Available - Ships in 2-4 Days

    $1,250.00

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

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

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

    ...
    Learn More
    Model#: I'2-27R

    Available - Ships in 2-4 Days

    $200.00

  18. 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
    FREE SHIPPING
    (48 States)
    Model#: LRGB2-E27R

    In Stock

    $475.00

  19. 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

    ...
    Learn More
    Model#: Y2-27R

    Available - Ships in 2-4 Days

    $200.00

  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.

    ...
    Learn More
    Model#: UV-27R

    In Stock

    $200.00

Items 1 to 20 of 67 total

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