Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Filters

Items 1 to 20 of 28 total

per page
Page:
  1. 1

Set Descending Direction
  1. 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

  2. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CU-50B
    $295.00

  3. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CU-50I
    $295.00

  4. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CU-50V
    $295.00

  5. 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.

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

  6. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CU-50U
    $295.00

  7. 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.

    ...
    Learn More
    Model#: CU-125I
    $175.00

  8. 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.

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

  9. 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.

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

  10. 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.

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

  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.

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

  12. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CU-UBVRI125-SET
    $875.00

  13. 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.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CU-UBVRI50-SET
    $1,475.00

  14. Baader Planetarium Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished)
  15. Astronomik LRGB Filter Set 36mm Round Unmounted

    Astronomik - LRGB Filter Set - 36mm Round Unmounted

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-36
    $449.95

  16. 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

  17. Astronomik - LRGB Filter Set - 1.25" Round Mounted

    Astronomik - LRGB Filter Set - 1.25" Round Mounted

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-1
    $329.95

  18. Astronomik LRGB Type 2 Filter Set 50mm Round Unmounted

    Astronomik - LRGB Type 2 Filter Set - 50mm Round Unmounted

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-50R
    $699.95

  19. Astronomik LRGB Filter Set 2" Round Mounted

    Astronomik - LRGB Filter Set - 2" Round Mounted

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-2
    $599.95

  20. Astronomik - LRGB Type 2 Filter Set - 50mm Square Unmounted

    Astronomik - LRGB Type 2 Filter Set - 50mm Square Unmounted

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

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-50SQ
    $849.95

Items 1 to 20 of 28 total

per page
Page:
  1. 1

Set Descending Direction