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50mm Filters

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

    Astrodon - Photometric UVBRIc - 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

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

  3. 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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    Model#: r'2-50R
    $400.00

  4. 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

  5. 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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    (48 States)
    Model#: z'2-50R
    $400.00

  6. Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' Edge Blackened Square Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' Edge Blackened Square 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#: g'2-50S
    $440.00

  7. 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

  8. Astronomik - H-Alpha 6nm CCD Filter - 50mm Round Unmounted

    Astronomik - H-Alpha 6nm CCD Filter - 50mm Round Unmounted

    The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.

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    (48 States)
    Model#: HA6-50R
    $499.95

  9. 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

  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).

    ...
    Learn More
    FREE SHIPPING
    (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).

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: B***-50R
    $400.00

  12. 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).

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: V*-50R
    $400.00

  13. 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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    (48 States)
    Model#: HA12-50SQ
    $429.95

  14. FLI - Research Grade 50mm Diameter SII

    FLI - Research Grade 50mm Diameter SII

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers 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
    $495.00

  15. FLI - Research Grade 50mm Diameter OIII

    FLI - Research Grade 50mm Diameter OIII

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers 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
    $495.00

  16. 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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    (48 States)
    Model#: SII-50SQ
    $429.95

  17. 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

  18. 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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    (48 States)
    Model#: HBCCD-50SQ
    $429.95

  19. 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

  20. 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

Items 1 to 20 of 21 total

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