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UBVRI Filters & Filter Sets

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  1. 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

    Available - Ships in 2-4 Days

    $440.00

  2. Astronomik - LRGB Filter Set - 31mm Round Unmounted

    Astronomik - LRGB Filter Set - 31mm Round Unmounted

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

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    Model#: LRGB-31

    Available - Ships in 2-4 Days

    $289.95

  3. Astronomik - LRGB Filter Set - 36mm Round Unmounted - Type 2c

    Astronomik - LRGB Filter Set - 36mm Round Unmounted - Type 2c

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

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    Model#: LRGB-36

    Available - Ships in 2-4 Days

    $349.95

  4. Baader Planetarium 2" LRGB Filters - UV/IR Cut L-Filter

    Baader Planetarium - 2" LRGB Filters - UV/IR Cut L-Filter

    The Baader Planetarium LRGB CCD Filter Set delivers improved color separation and image quality without annoying halos. Baader has created excellent LRGB Filters through an extensive coating-stack design and testing program. Baader has partnered with the world's leading thin film coating company to produce transmission curves that border on the ideal.

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    Model#: FLRGB-2

    In Stock

    Regular Price: $619.00

    Special Price: $549.00

  5. Baader Planetarium Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished)

    Baader Planetarium - Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished)

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    Model#: FUBVRI-1

    Available - Ships in 2-4 Days

    $899.00

  6. Chroma Technology - U-Band 50mm Square Filter

    Chroma Technology - U-Band 50mm Square Filter

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    Model#: U-Band-50-Sq

    Available - Ships in 2-4 Days

    $275.00

  7. 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

    Available - Ships in 2-4 Days

    $175.00

  8. Custom Scientific "B" Standard Grade Blue Filter 50mm Round Unmounted

    Custom Scientific - "B" Standard Grade Blue 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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    Model#: CU-50B

    Available - Ships in 2-4 Days

    $295.00

  9. 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

    Available - Ships in 2-4 Days

    $175.00

  10. 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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    Model#: CU-50I

    Available - Ships in 2-4 Days

    $295.00

  11. 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

    Available - Ships in 2-4 Days

    $175.00

  12. 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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    Model#: CU-50R

    Available - Ships in 2-4 Days

    $295.00

  13. 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

    Available - Ships in 2-4 Days

    $175.00

  14. 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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    Model#: CU-50U

    Available - Ships in 2-4 Days

    $295.00

  15. 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

    Available - Ships in 2-4 Days

    $175.00

  16. 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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    Model#: CU-50V

    Available - Ships in 2-4 Days

    $295.00

  17. 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

    Available - Ships in 2-4 Days

    $990.00

  18. 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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    Model#: CU-UBVRI50S-SET

    Available - Ships in 2-4 Days

    $2,500.00

  19. 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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    Model#: CU-UBVRI50-SET

    Available - Ships in 2-4 Days

    $1,550.00

  20. FLI - Research Grade B Filter - 28mm Round Unmounted

    FLI - Research Grade B Filter - 28mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer 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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    Model#: RG-28D-B

    Available - Ships in 2-4 Days

    $200.00

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