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50mm Filters

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  1. Chroma filters

    Chroma Technology - 50mm LRGB Set - Unmounted

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

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    (48 States)
    Model#: CT-LRGB-50

    Available - Ships in 2-4 Days

    $875.00

  2. Baader Planetarium Enforced 3.5nm H-Alpha Filter, 50x50 Square

    Baader Planetarium - Enforced 3.5nm H-Alpha Filter, 50x50 Square

    Baader's New 3.5nm Narrowband Enforced H-alpha Filters  These three sizes of 3.5nm Enforced-Narrowband filters upen up the extremely narrow 3.5nm H-alpha world.

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    (48 States)
    Model#: FHALNE-SQ50

    Available - Ships in 2-4 Days

    $640.00

  3. Astrodon - 50mm OIII 5nm Narrowband Filter - Unmounted

    Astrodon - 50mm 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#: OIII5-50R

    Available - Ships in 2-4 Days

    $725.00

  4. 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
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    (48 States)
    Model#: OIII5-50S

    Available - Ships in 2-4 Days

    $875.00

  5. Astrodon - 50mm H-Alpha 5nm Narrowband Filter - Unmounted

    Astrodon - 50mm H-Alpha 5nm Narrowband Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 50mm Unmounted Filter. ... Learn More
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    (48 States)
    Model#: HA5-50R

    Available - Ships in 2-4 Days

    $725.00

  6. Astrodon - 50mm H-Alpha 5nm Narrowband Square Filter - Unmounted

    Astrodon - 50mm H-Alpha 5nm Narrowband Square Filter - Unmounted

    Bring out the faint structures In nebulae with the Astrodon H-Alpha Narrowband 50mm Unmounted Square Filter. ... Learn More
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    (48 States)
    Model#: HA5-50S

    Available - Ships in 2-4 Days

    $875.00

  7. 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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    Model#: RedCon5-50R

    Available - Ships in 2-4 Days

    $725.00

  8. 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

  9. FLI - Research Grade 5nm H-Alpha Filter - 50mm Round Unmounted

    FLI - Research Grade 5nm 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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    (48 States)
    Model#: RG-50D-Ha-5nm

    Available - Ships in 2-4 Days

    $725.00

  10. FLI - Research Grade - 50mm Diameter SII 5nm

    FLI - Research Grade - 50mm Diameter SII 5nm

    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-5nm

    Available - Ships in 2-4 Days

    $725.00

  11. FLI - Research Grade - 50mm Diameter OIII 5nm

    FLI - Research Grade - 50mm Diameter OIII 5nm

    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-5nm

    Available - Ships in 2-4 Days

    $725.00

  12. FLI - Research Grade 5nm H-Alpha Filter - 50mm Square Unmounted

    FLI - Research Grade 5nm H-Alpha Filter - 50mm Square 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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    (48 States)
    Model#: RG-50S-Ha-5nm

    Available - Ships in 2-4 Days

    $875.00

  13. FLI - Research Grade 5nm SII Filter - 50mm Square Unmounted

    FLI - Research Grade 5nm SII Filter - 50mm Square 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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    (48 States)
    Model#: RG-50S-SII-5nm

    Available - Ships in 2-4 Days

    $875.00

  14. FLI - Research Grade 5nm OIII Filter - 50mm Square Unmounted

    FLI - Research Grade 5nm OIII Filter - 50mm Square 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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    (48 States)
    Model#: RG-50S-OIII-5nm

    Available - Ships in 2-4 Days

    $875.00

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