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

Welcome!

Filters

Items 21 to 40 of 130 total

per page
Page:
  1. 2

Set Descending Direction
  1. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron Firstscope 60 older Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron Firstscope 60 older 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#: TO2000
    $69.00

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

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron 8 " Newtonians & Orion Sky Watcher 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#: TO9500
    $129.00

  3. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: Starhopper 8 Telescopes

    R-G Solar Film Full Aperture 203mm\8.00", Outer Cell 273mm\10.75 ... Learn More
    Model#: RG-10750
    $89.00

  4. 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.

    ...
    Learn More
    Model#: TO12225
    $149.00

  5. TO - Full Aperture Glass Solar Filter TYPE 2+ for Coulter 13.1

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Coulter 13.1

    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#: TO17000
    $199.00

  6. 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

  7. TO - 4.5 - 5 " H-Alpha Filter OFF-AXIS

    TO - 4.5 - 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#: TO4.5-5HAOA
    $799.00

  8. RG Solar Film Thousand Oaks Optical

    TO - R-G Solar Film Full Aperture Fits: Cameras, Finders

    R-G Solar Film by Thousand Oaks Optical Full Aperture 40mm\1.75", Outer Cell 60mm\2.32. ... Learn More
    Model#: RG-2325
    $49.00

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

    TO - R-G Solar Film Off-Axis Fits: Coulter 8 & Tak Epsilon 180 ED Telescopes

    R-G Solar Film Off-Axis 76mm\3.00", Outer Cell 266mm\10.50" ... Learn More
    Model#: RG-10500A
    $69.00

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

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

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

  11. TO - Full Aperture Glass Solar Filter TYPE 2+ for Orion DSE Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Orion DSE 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#: TO8000
    $109.00

  12. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: C-80 EQ, C-60 AZ/EQ, ETX 60/70, TV-76 & Pronto Telescopes

    R-G Solar Film Full Aperture 80mm\3.15", Outer Cell 95mm\3.75". ... Learn More
    Model#: RG-3750
    $54.00

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

    TO - R-G Solar Film Off-Axis Fits: 10" Dob Telescopes

    R-G Solar Film Off-Axis 101mm\4.00", Outer Cell 311mm\12.25" ... Learn More
    Model#: RG-12225A
    $79.00

  14. 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

  15. TO - OFF-AXIS Glass Solar Filter TYPE 2+ for Celestron C-9.25 Telescopes

    TO - OFF-AXIS 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.

    ...
    Learn More
    Model#: TOC10750A
    $89.00

  16. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: C-76, C-4, C-102HD, 2045, ETX 105, TV-101-102 & Meade DSX 102 Telescopes

    R-G Solar Film Full Aperture 101mm\4.00". Outer Cell 127mm\5.00" ... Learn More
    Model#: RG-5000
    $59.00

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

    TO - R-G Solar Film Off-Axis C-14 Fits: C-14 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 153mm\6.00", Outer Cell 400mm\15.75"

    ...
    Learn More
    Model#: RG-15750A
    $109.00

  18. 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

  19. TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-90 & Meade ETX-90 Telescopes

    TO - Full Aperture Glass Solar Filter TYPE 2+ for Celestron C-90 & Meade ETX-90 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#: TO4250
    $79.00

  20. Thousand Oaks Optical R-G Solar Film

    TO - R-G Solar Film Full Aperture Fits: Meade 127 NT, Orion 130 EDFS & AP-125 Telescopes

    R-G Solar Film Full Aperture 127mm\5.00", Outer Cell 165mm\6.50" ... Learn More
    Model#: RG-6500
    $64.00

Items 21 to 40 of 130 total

per page
Page:
  1. 2

Set Descending Direction