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Items 81 to 100 of 442 total

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  1. Chroma Technology - Red 31mm Diameter Filter - Unmounted

    Chroma Technology - Red 31mm Diameter Filter - Unmounted

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

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    Model#: Red-31
    $130.00

  2. 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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    FREE SHIPPING
    (48 States)
    Model#: Green-65S
    $695.00

  3. 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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    FREE SHIPPING
    (48 States)
    Model#: Red-65S
    $695.00

  4. 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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    FREE SHIPPING
    (48 States)
    Model#: Lum-65S
    $695.00

  5. Chroma filters

    Chroma Technology - 36mm LRGB and Ha/8-36 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#: HaLRGB-36
    $925.00

  6. Chroma filters

    Chroma Technology - 50mm LRGB and Ha/8-50 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#: HaLRGB-50
    $1,305.00

  7. Chroma filters

    Chroma Technology - 50mm x 50mm LRGB Filter and Ha/8-50 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-50S
    $1,525.00

  8. 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

  9. Astrodon Photometric UVBRIc 50mm Unmounted Rc Edge Blackened Square Filter

    Astrodon - Photometric UVBRIc - Johnson-Cousins 50mm Unmounted Rc Edge Blackened Square Filter

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

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    (48 States)
    Model#: Rc*-50S
    $440.00

  10. Astrodon 1.25" dia. Unmounted R Filter

    Astrodon - Photometric UVBRIc - Johnson-Cousins 1.25" Mounted Rc Edge Blackened Filter

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

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    Model#: Rc*-27R
    $200.00

  11. Astrodon Narrowband 50mm Unmounted NII 3 nm Square Filter

    Astrodon - Narrowband - 50mm Unmounted NII 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),

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    (48 States)
    Model#: NII3-50S
    $1,250.00

  12. Baader Planetarium - U Filter (Venus and Ultraviolet) - 1.25"

    Baader Planetarium - U Filter (Venus and Ultraviolet) - 1.25"

    Another unique and pioneering filter from Baader Planetarium. For the first time, amateurs can now record cloud structures on Venus. The Baader Venus Filter enables amateurs to successfully image in the deep UV, a spectral region normally inaccessible

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    (48 States)
    Model#: FUV-1
    $296.00

  13. Baader Planetarium Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished)
  14. Celestron LRGB Imaging Filter Set

    Celestron - LRGB Imaging Filter Set

    Take color images of the night sky with your Skyris monochrome CCD camera, a simple filter wheel, and this four-piece LRGB filter set!

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    FREE SHIPPING
    (48 States)
    Model#: CEL-95517
    $279.95

  15. IDAS Hutech LPS-D1 Filter for Canon APS-C Frame Camera

    IDAS - Hutech - LPS-D1 Filter for Canon APS-C Frame Camera

    No additional tools required, the new filter fits in the EOS Canon APS-C sensor cameras.

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    FREE SHIPPING
    (48 States)
    Model#: LPS-D1-EOS
    $209.00

  16. Chroma filters

    Chroma Technology - 31mm LRGB and Ha/8-31 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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    FREE SHIPPING
    (48 States)
    Model#: HaLRGB-31
    $755.00

  17. Chroma filters

    Chroma Technology - 27mm LRGB and Ha/8-27 Set - Mounted 1.25" Threaded Ring

    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-27M
    $725.00

  18. 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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    FREE SHIPPING
    (48 States)
    Model#: LRGB-65S
    $2,595.00

  19. Chroma filters

    Chroma Technology - Ha/8-27mm Diameter Filter - Mounted

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

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    FREE SHIPPING
    (48 States)
    Model#: Ha/8-27M
    $265.00

  20. Chroma filters

    Chroma Technology - Ha/8-31mm Diameter Filter - Unmounted

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

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    FREE SHIPPING
    (48 States)
    Model#: Ha/8-31M
    $275.00

Items 81 to 100 of 442 total

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