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  1. TO - 3.5 - 4 " H-Alpha Filter OFF-AXIS

    TO - 3.5 - 4 " 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#: TO3.5-4HAOA
    $759.00

  2. RG Solar Film Full Aperture Thousand Oaks Optics

    TO - R-G Solar Film Full Aperture Fits: Meade 60 Telescopes (Older Models)

    R-G Solar Film Full Aperture 60mm\2.37", Outer Cell 82mm\3.00" ... Learn More
    Model#: RG-3000
    $54.00

  3. TO - R-G Solar Film Off-Axis Fits: C-9 1/4 Telescopes

    TO - R-G Solar Film Off-Axis Fits: C-9 1/4 Telescopes

    R-G Solar Film Off-Axis 76mm\3.00", Outer Cell 272mm\10.75"

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    Model#: RG-C10750A
    $69.00

  4. 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

  5. TO - 6 " H-Alpha Filter OFF-AXIS

    TO - 6 " 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#: TO6HAOA
    $819.00

  6. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: C-90, ETX 90, Questar 3.5 & Wms. Optics ZS80 II ED Telescopes

    R-G Solar Film Full Aperture 90mm\3.50", Outer Cell 108mm\4.25"

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    Model#: RG-4250
    $59.00

  7. Thousand Oaks Optical Off-Axis R-G Solar Film

    TO - R-G Solar Film Off-Axis Fits: Meade Starfinder 10 & Coulter 10 Telescopes

    R-G Solar Film Off-Axis 101mm\4.00", Outer Cell 330mm\13.00" ... Learn More
    Model#: RG-13000A
    $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 - 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

  10. Thousand Oaks Optical R-G Solar Film
  11. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Coulter 13.1 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 432mm\17.00"

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    Model#: RG-17000A
    $119.00

  12. 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

  13. TO - Full Aperture Glass Solar Filter TYPE 2+ for Meade DS-60EC, Orion 70 & Takahashi FS-60 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Meade DS-60EC, Orion 70 & Takahashi FS-60 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#: TO3250
    $69.00

  14. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: C-6, M- LXD-55 6" S/NEWT, Vixen 150 & AP-155 Telescopes

    R-G Solar Film Full Aperture 152mm\6.00", Outer Cell 190mm\7.50 ... Learn More
    Model#: RG-7500
    $69.00

  15. TO - Full Aperture R-G Solar Film Filters

    TO - Full Aperture R-G Solar Film Filters

    The R-G Solar film by Thousand Oaks Optical now brings superior solar imaging to the amateur astronomer. The question may come up as to why? R-G Solar Film emphasizes more on the natural yellow and orange colors of the Sun which is what makes the viewing so extraordinary. Last but not least, R-G Solar Film offers high resolution even at high magnification!

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    Model#: RG Full Aperture

    Starting at: $49.00

  16. 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.

    ...
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    Model#: TO13000A
    $109.00

  17. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron Firstscope 76, Celestron NexStar 4, Meade ETX-105, Meade 2045, TeleVue 101 & TeleVue 102 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron Firstscope 76, Celestron NexStar 4, Meade ETX-105, Meade 2045, TeleVue 101 & TeleVue 102 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#: TO5000
    $79.00

  18. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: Celestron & Meade 8 S/C Telescopes

    R-G Solar Film Full Aperture 203mm\8.00", Outer Cell 233mm\9.187" ... Learn More
    Model#: RG-9187
    $89.00

  19. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron, Finders

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron, Finders

    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#: TO2325
    $69.00

  20. TO - 16 " H-Alpha Filter OFF-AXIS

    TO - 16 " H-Alpha Filter OFF-AXIS

    The H-Alpha (Hydrogen-Alpha) filter allows safe observation of the entire solar disc, providing superb .. ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: TO16HAOA
    $1,059.00

Items 81 to 100 of 130 total

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