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65mm Filters

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  1. FLI Research Grade 65mm Square UBVRI Filter

    FLI - Research Grade 65mm Square UBVRI Filter - RG-65S-UBVRI

    High transmission filters are manufactured in the United States with the highest quality fabrication techniques available. ... Learn More
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    (48 States)
    Model#: RG-65S-UBVRI
    $7,650.00

  2. FLI Research Grade 65mm Square Sulfur II - 8nm

    FLI - Research Grade 65mm Square Sulfur II - 8nm

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    (48 States)
    Model#: RG-65S-SII
    $1,100.00

  3. FLI - Research Grade 65mm Square Oxygen III

    FLI - Research Grade 65mm Square Oxygen III

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    (48 States)
    Model#: RG-65S-OIII
    $1,100.00

  4. FLI - Research Grade 65mm Square Luminance IR

    FLI - Research Grade 65mm Square Luminance IR

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    (48 States)
    Model#: RG-65S-L
    $705.00

  5. FLI Research Grade 65mm Square LRGB

    FLI - Research Grade 65mm Square LRGB

    FLI Research Grade 65mm Square LRGB.

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    (48 States)
    Model#: RG-65S-LRGB
    $3,120.00

  6. FLI - Research Grade 65mm Square Hb 5.8nm

    FLI - Research Grade 65mm Square Hb 5.8nm

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    (48 States)
    Model#: RG-65S-HB
    $1,450.00

  7. FLI Research Grade 65mm Square Ha 8nm

    FLI - Research Grade 65mm Square Ha 8nm

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    (48 States)
    Model#: RG-65S-HA8
    $1,100.00

  8. FLI - Research Grade 65mm Square Clear

    FLI - Research Grade 65mm Square Clear

    FLI Research Grade 65mm Square Clear.

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    (48 States)
    Model#: RG-65S-C
    $450.00

  9. Chroma filters

    Chroma Technology - Red 65mm x 65mm Diameter Filter - Square

    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#: Red-65S
    $695.00

  10. Chroma Technology - Luminance 65mm x 65mm Diameter Filter - Square

    Chroma Technology - Luminance 65mm x 65mm Diameter Filter - Square

    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#: Lum-65S
    $695.00

  11. Chroma filters

    Chroma Technology - Ha/8-65mm x 65mm Diameter Filter - Square

    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#: Ha/8-65S
    $915.00

  12. Chroma filters

    Chroma Technology - Green 65mm x 65mm Diameter Filter - Square

    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#: Green-65S
    $695.00

  13. Chroma filters

    Chroma Technology - Blue 65mm x 65mm Diameter Filter - Square

    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#: Blue-65S
    $695.00

  14. Chroma filters

    Chroma Technology - 65mm x 65mm 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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    (48 States)
    Model#: LRGB-65S
    $2,595.00

  15. Chroma filters

    Chroma Technology - 65mm x 65mm LRGB Filter and Ha/8-65 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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    (48 States)
    Model#: HaLRGB-65S
    $3,495.00

  16. Baader Planetarium 65mm Aperture AstroSolar Spotter Filter

    Baader Planetarium - 65mm Aperture AstroSolar Spotter Filter

    The AstroSolar Filters for spotters are very stable filters that can work with spotting scopes, tele-lenses and even amateur telescopes (corresponding to the size of filter chosen).

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    Model#: ASSF-65
    $44.00

  17. Astrodon - Narrowband - 65mm Unmounted H-Alpha 5 nm Square Filter

    Astrodon - Narrowband - 65mm Unmounted H-Alpha 5 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),

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    (48 States)
    Model#: HA5-65S
    $1,050.00

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