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Thousand Oaks Optical

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  1. TO - LP-1  Broadband (Black Cell)  1.25"

    TO - LP-1 Broadband (Black Cell) 1.25"

    The Thousand Oaks Optical product line now includes ... Learn More
    Model#: LP1-1.25
    $89.00

  2. TO - LP-1  Broadband (Black Cell)  2"

    TO - LP-1 Broadband (Black Cell) 2"

    Enhanced deep sky viewing with the latest in multi ... Learn More
    Model#: LP1-2
    $149.00

  3. TO - LP-2  Narrowband (Blue Cell)  1.25"

    TO - LP-2 Narrowband (Blue Cell) 1.25"

    Thousand Oaks Optical LP-2 Narrowband (Blue Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP2-1.25
    $89.00

  4. TO - LP-2  Narrowband (Blue Cell)  2"

    TO - LP-2 Narrowband (Blue Cell) 2"

    LP-2 Narrowband (Blue Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP2-2
    $179.00

  5. TO LP-3 OIII (Green Cell) 1.25"

    TO - LP-3 OIII (Green Cell) 1.25"

    ... Learn More
    Model#: LP3-1.25
    $89.00

  6. TO - LP-3  OIII (Green Cell)  2"

    TO - LP-3 OIII (Green Cell) 2"

    ... Learn More
    Model#: LP3-2
    $179.00

  7. TO - LP-4  H-Beta (Red Cell)  1.25"

    TO - LP-4 H-Beta (Red Cell) 1.25"

    Thousand Oaks Optical LP-4 H-Beta (Red Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-1.25
    $89.00

  8. TO - LP-4  H-Beta (Red Cell)  2"

    TO - LP-4 H-Beta (Red Cell) 2"

    LP-4 H-Beta (Red Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-2
    $179.00

  9. TO - Full Aperture Glass Solar Filter TYPE 2+ for Meade LXD-55 SN-8 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Meade LXD-55 SN-8 Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO10000
    $129.00

  10. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Takahashi 212 Telescopes

    TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Takahashi 212 Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO10000A
    $89.00

  11. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron Starhopper 8 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron Starhopper 8 Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO10750
    $129.00

  12. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Celestron Starhopper 8 Telescopes

    TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Celestron Starhopper 8 Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO10750A
    $89.00

  13. TO11-12.5HACA

    TO - 11-12.5 " H-Alpha Filter CENTER-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing ... ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO11-12.5HACA
    $969.00

  14. TO11-12.5HAOA

    TO - 11-12.5 " H-Alpha Filter OFF-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing... ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO11-12.5HAOA
    $929.00

  15. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Meade 10 " Schmidt-Cassegrain Telescopes

    TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Meade 10 " Schmidt-Cassegrain Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO12000A
    $109.00

  16. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Celestron C-11 Telescopes

    TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Celestron C-11 Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO12500A
    $119.00

  17. TO - Full Aperture Glass Solar Filter TYPE 2+ for Orion 12.5 " Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Orion 12.5 " Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO12550
    $179.00

  18. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Meade Starfinder 10 Telescopes

    TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Meade Starfinder 10 Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO13000A
    $109.00

  19. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Meade 12 " Schmidt-Cassegrain Telescopes

    TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Meade 12 " Schmidt-Cassegrain Telescopes

    Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Guaranteed fifteen years.

    ...
    Learn More
    Model#: TO13750A
    $129.00

  20. TO - 14 " H-Alpha Filter OFF-AXIS

    TO - 14 " H-Alpha Filter OFF-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing ..

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO14HAOA
    $999.00

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Manufacturer of SAFE solar filters for over 30 years. Used by NASA aboard the Space Shuttle. Other professional users include: ABC, BBC CBS, NBC, CNN, NOVA, The Discovery Channel, National Geographic and most major universities and observatories throughout the world. We use the latest technology for manufacturing and developing new products. Tens of thousands of our solar filters and millions of our eclipse viewers are in use world wide.