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50mm Filters

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  1. Chroma filters

    Chroma Technology - 50mm x 50mm LRGB Filter Set - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    Model#: LRGB-50S

    Available - Ships in 2-4 Days

    $1,085.00

  2. FLI Research Grade LRGB Filter Set 50mm Round Unmounted

    FLI - Research Grade LRGB Filter Set - 50mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-50D-LRGB

    Available - Ships in 2-4 Days

    $950.00

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

    Astrodon - Unmounted LRGB Gen2 I-Series 50mm Set

    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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    Model#: LRGB2-I50R

    Available - Ships in 2-4 Days

    $950.00

  4. Astrodon - 50mm OIII 3nm Narrowband Filter - Unmounted

    Astrodon - 50mm OIII 3nm Narrowband Filter - Unmounted

    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. ... Learn More
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    Model#: OIII3-50R

    Available - Ships in 2-4 Days

    $995.00

  5. 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

  6. Astrodon - Narrowband - 50mm Unmounted SII 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted 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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    Model#: SII3-50R

    Available - Ships in 2-4 Days

    $995.00

  7. 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
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    Model#: LRGB2-E50R

    Available - Ships in 2-4 Days

    $950.00

  8. Astrodon Narrowband 50mm Unmounted NII 3 nm Filter

    Astrodon - Narrowband - 50mm Unmounted 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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    Model#: NII3-50R

    Available - Ships in 2-4 Days

    $995.00

  9. FLI - Research Grade 3nm H-Alpha Filter - 50mm Round Unmounted

    FLI - Research Grade 3nm H-Alpha Filter - 50mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-50D-Ha-3nm

    Available - Ships in 2-4 Days

    $995.00

  10. FLI - Research Grade - 50mm Diameter SII 3nm

    FLI - Research Grade - 50mm Diameter SII 3nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-SII-3nm

    Available - Ships in 2-4 Days

    $995.00

  11. FLI - Research Grade - 50mm Diameter OIII 3nm

    FLI - Research Grade - 50mm Diameter OIII 3nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-OIII-3nm

    Available - Ships in 2-4 Days

    $995.00

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