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Thousand Oaks Optical

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  1. TO -  BLACK POLYMER   8.5X11 Sheet

    TO - BLACK POLYMER 8.5X11 Sheet

    A lower cost alternative where lower magnification is used such as with binoculars, camera filters, finder scopes and small telescopes. Stronger than Mylar with the filtering properties protected within the substrate. Solar image is yellow-orange. Also available in sheets. Guaranteed 5 years.

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    Model#: BP85X11
    $30.00

  2. 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

  3. TO2.4-3.1HACA

    TO - 2.4 - 3.1 " H-Alpha Filter CENTER-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation .. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO2.4-3.1HACA
    $779.00

  4. TO3.5-4HACA

    TO - 3.5 - 4 " H-Alpha Filter CENTER-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing superb views .... ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO3.5-4HACA
    $799.00

  5. TO - 4.5 - 5 " H-Alpha Filter CENTER-AXIS

    TO - 4.5 - 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#: TO4.5-5HACA
    $819.00

  6. TO - 6 " H-Alpha Filter CENTER-AXIS

    TO - 6 " 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#: TO6HACA
    $839.00

  7. TO - 7 - 8 " H-Alpha Filter CENTER-AXIS

    TO - 7-8 " 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#: TO7-8HACA
    $899.00

  8. TO - 9 - 10 " H-Alpha Filter CENTER-AXIS

    TO - 9-10 " 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#: TO9-10HACA
    $929.00

  9. TO - Digital Dew Heater Control Unit

    TO - Digital Dew Heater Control Unit

    FOUR CHANNEL:Each heater output is controlled independently and has a full range of adjustment from 0-100%. This eliminates the problem of overheating or not reaching desired temperature regardless of heater size and combination

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    Model#: DDHC
    $109.00

  10. TO - Full Aperture Glass Solar Filter TYPE 2+ for 10" Dob Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for 10" Dob 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.

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    Model#: TO12225
    $149.00

  11. TO - Full Aperture Glass Solar Filter TYPE 2+ for C-102 HD (older), Apogee

    TO - Full Aperture Glass Solar Filter TYPE 2+ for C-102 HD (older), Apogee

    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.

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    Model#: TO5250
    $79.00

  12. TO - Full Aperture Glass Solar Filter TYPE 2+ for Cameras, Finders, Small Refractors
  13. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 10" Newt., Orion Skywatcher 10" Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 10" Newt., Orion Skywatcher 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.

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    Model#: TO11500
    $149.00

  14. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 14" S/C Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 14" S/C 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.

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    Model#: TO15750
    $199.00

  15. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 8 " Newtonians & Orion Sky Watcher 8 " Telescopes 241mm ID

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 8 " Newtonians & Orion Sky Watcher 8 " Telescopes 241mm ID

    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.

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    Model#: TO9500
    $129.00

  16. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 8 " Schmidt-Cassegrains & Meade 8 " Schmidt-Cassegrain Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 8 " Schmidt-Cassegrains & Meade 8 " 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.

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    Model#: TO9187
    $129.00

  17. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-11 Telescopes

    TO - Full Aperture 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.

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    Model#: TO12500
    $159.00

  18. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-150CR, Celestron C-150HD, Meade 5 " APO, Orion Sky Watcher 6 " & Takahashi FS-128 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-150CR, Celestron C-150HD, Meade 5 " APO, Orion Sky Watcher 6 " & Takahashi FS-128 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.

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    Model#: TO7125
    $109.00

  19. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-6, Meade LXD-55 SN-6 & Vixen 150 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-6, Meade LXD-55 SN-6 & Vixen 150 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.

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    Model#: TO7500
    $109.00

  20. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-9.25 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-9.25 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.

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    Model#: TOC10750
    $139.00

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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.