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50mm Filters

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  1. Chroma filters

    Chroma Technology - Red 50mm x 50mm 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-50S
    $285.00

  2. Chroma Technology - Green 50mm x 50mm Diameter Filter - Square

    Chroma Technology - Green 50mm x 50mm 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-50S
    $285.00

  3. Chroma filters

    Chroma Technology - Blue 50mm x 50mm 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-50S
    $285.00

  4. Chroma Technology - Luminance 50mm x 50mm Diameter Filter - Square

    Chroma Technology - Luminance 50mm x 50mm 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-50S
    $285.00

  5. Astronomik - SII 12nm CCD Filter - 50mm Round Unmounted

    Astronomik - SII 12nm CCD Filter - 50mm Round Unmounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    (48 States)
    Model#: SII-50R
    $329.95

  6. Astronomik - 12nm H-Beta CCD Filter - 50mm Round Unmounted

    Astronomik - 12nm H-Beta CCD Filter - 50mm Round Unmounted

    The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.

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    (48 States)
    Model#: HBCCD-50R
    $329.95

  7. Astronomik - OIII CCD Filter - 50mm Round Unmounted

    Astronomik - OIII CCD Filter - 50mm Round Unmounted

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    (48 States)
    Model#: OIIICCD-50R
    $329.95

  8. Astronomik - H-Alpha 12nm CCD Filter - 50mm Round Unmounted

    Astronomik - H-Alpha 12nm CCD Filter - 50mm Round Unmounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    (48 States)
    Model#: HA12-50R
    $329.95

  9. Astrodon Photometric Sloan 50mm Unmounted Gen2 r' Edge Blackened Filter

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

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

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    (48 States)
    Model#: r'2-50R
    $400.00

  10. Astrodon Photometric UVBRIc 50mm Unmounted Ic Edge Blackened Filter

    Astrodon - Photometric UVBRIc - 50mm Unmounted Ic 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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    (48 States)
    Model#: Ic*-50R
    $400.00

  11. Astrodon - Photometric UVBRIc - 50mm Unmounted B Edge Blackened Filter

    Astrodon - Photometric UVBRIc - 50mm Unmounted B 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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    (48 States)
    Model#: B***-50R
    $400.00

  12. Astrodon Photometric Sloan 50mm Unmounted Gen2 i' Edge Blackened Filter

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

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

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    (48 States)
    Model#: i'2-50R
    $400.00

  13. Astrodon Photometric UVBRIc 50mm Unmounted V Edge Blackened Filter

    Astrodon - Photometric UVBRIc - 50mm Unmounted V 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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    FREE SHIPPING
    (48 States)
    Model#: V*-50R
    $400.00

  14. 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
    $400.00

  15. Astrodon Photometric UVBRIc 50mm Unmounted Rc Edge Blackened Filter

    Astrodon - Photometric UVBRIc - 50mm Unmounted Rc Edge Blackened Filter

    Astrodon Photometrics - UVBRI filters have been the standard for photometric measurements for decades.

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    (48 States)
    Model#: Rc*-50R
    $400.00

  16. Astrodon Photometric Sloan 50mm Unmounted Gen2 z' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted 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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    FREE SHIPPING
    (48 States)
    Model#: z'2-50R
    $400.00

  17. Astronomik - SII 12nm CCD Filter - 50mm Square Unmounted

    Astronomik - SII 12nm CCD Filter - 50mm Square Unmounted

    The Astronomik SII-CCD filter is a narrow-band-filter for CCD photography.

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    FREE SHIPPING
    (48 States)
    Model#: SII-50SQ
    $429.95

  18. Astronomik - H-Alpha 12nm CCD Filter - 50mm Square Unmounted

    Astronomik - H-Alpha 12nm CCD Filter - 50mm Square Unmounted

    The Astronomik H-alpha filter is a narrow band filter for CCD photography.

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    FREE SHIPPING
    (48 States)
    Model#: HA12-50SQ
    $429.95

  19. Astronomik - OIII 12nm CCD Filter - 50mm Square Unmounted

    Astronomik - OIII 12nm CCD Filter - 50mm Square Unmounted

    The Astronomik OIII CCD filter is a narrow band emission-line-filter for CCD photography.

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    FREE SHIPPING
    (48 States)
    Model#: OIIICCD-50SQ
    $429.95

  20. Astronomik - 12nm H-Beta CCD Filter - 50mm Square Unmounted

    Astronomik - 12nm H-Beta CCD Filter - 50mm Square Unmounted

    The Astronomik H-beta filter is a narrow band emission-line filter for CCD photography.

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    FREE SHIPPING
    (48 States)
    Model#: HBCCD-50SQ
    $429.95

Items 21 to 40 of 70 total

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