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  1. Astrodon - Photometric UVBRIc - Johnson-Cousins 50mm Unmounted B Edge Blackened Filter

    Astrodon - Photometric UVBRIc - Johnson-Cousins 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

  2. Custom Scientific "U" Standard Grade Filter 50mm Round Unmountable

    Custom Scientific - "U" Standard Grade Filter - 50mm Round Unmountable

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50U
    $295.00

  3. Custom Scientific "I" Research Grade Filter 1.25" Round Mounted

    Custom Scientific - "I" Research Grade Filter - 1.25" Round Mounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    Model#: CU-125I
    $175.00

  4. Custom Scientific "B" Research Grade Filter - 1.25" Round Mounted

    Custom Scientific - "B" Research Grade Filter - 1.25" Round Mounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    Model#: CU-125B
    $175.00

  5. Custom Scientific - "U" Research Grade Filter - 1.25" Mounted

    Custom Scientific - "U" Research Grade Filter - 1.25" Mounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    Model#: CU-125U
    $175.00

  6. Custom Scientific "V" Research Grade Filter 1.25" Round Mounted

    Custom Scientific - "V" Research Grade Filter - 1.25" Round Mounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    Model#: CU-125V
    $175.00

  7. Custom Scientific - "R" Research Grade Filter - 1.25" Round Mounted

    Custom Scientific - "R" Research Grade Filter - 1.25" Round Mounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    Model#: CU-125R
    $175.00

  8. Custom Scientific UBVRI 1.25" Mounted Round Filter Set

    Custom Scientific - UBVRI 1.25" Mounted Round Filter Set

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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    (48 States)
    Model#: CU-UBVRI125-SET
    $990.00

  9. Custom Scientific UBVRI 50mm Unmounted Round Filter Set

    Custom Scientific - UBVRI 50mm Unmounted Round Filter Set

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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    (48 States)
    Model#: CU-UBVRI50-SET
    $1,550.00

  10. Custom Scientific - UBVRI 50mm Square Filter Set

    Custom Scientific - UBVRI 50mm Square Filter Set

    Custom Scientific UBVRI filters have been used in institutions and observatories around the world such as Kitt Peak, Mauna Kea, and the CTIO/Chile.

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    (48 States)
    Model#: CU-UBVRI50S-SET
    $2,500.00

  11. 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

  12. Optolong - UBVRI Filter Set - 1.25" Mounted

    Optolong - UBVRI Filter Set - 1.25" Mounted

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    (48 States)
    Model#: UBVRI-125
    $685.00

  13. Optolong - UBVRI Filter Set - 2" Mounted

    Optolong - UBVRI Filter Set - 2" Mounted

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    (48 States)
    Model#: UBVRI-200
    $830.00

  14. Optolong - UBVRI Filter Set - 31mm Unmounted

    Optolong - UBVRI Filter Set - 31mm Unmounted

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    (48 States)
    Model#: UBVRI-31U
    $740.00

  15. Optolong - UBVRI Filter Set - 36mm Unmounted

    Optolong - UBVRI Filter Set - 36mm Unmounted

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    (48 States)
    Model#: UBVRI-36U
    $745.00

  16. Optolong - UBVRI Filter Set - 50mm Unmounted

    Optolong - UBVRI Filter Set - 50mm Unmounted

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    (48 States)
    Model#: UBVRI-50U
    $855.00

  17. Custom Scientific "R" Standard Grade Red Filter 50mm Round Unmounted

    Custom Scientific - "R" Standard Grade Red Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: CU-50R
    $295.00

  18. Custom Scientific "V" Standard Grade Filter 50mm Round Unmounted

    Custom Scientific - "V" Standard Grade Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    (48 States)
    Model#: CU-50V
    $295.00

  19. Custom Scientific - "I" Standard Grade IR Filter - 50mm Round Unmounted

    Custom Scientific - "I" Standard Grade IR Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50I
    $295.00

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

    Astrodon - Photometric UVBRIc - Johnson-Cousins 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

Items 1 to 20 of 35 total

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