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  1. Full aperture glass filter for Takahashi FS-78/Sky 90 and TeleVue TV-85

    $71.50
    This full aperture glass solar filter fits the Takahashi FS-78 and Sky 90 and TeleVue TV-85 refractors . . .
  2. SolarMax 60mm H-alpha filter with T-Max and 15mm blocking filter | under 1500mm focal length

    $1,599.00
    This 60mm aperture H-alpha filter can be used with virtually any refractor telescope having a 60mm or greater aperture - but is designed to work best with telescopes having a focal length of 1500mm and under . . .
  3. Thousand Oaks 2.32" Solarlite Film Solar Filter

    $59.00

    Thousand Oaks SolarLite Film Solar filters allow you to check out the intricacies of sunspots against a majestic yellow-orange solar tapestry.

  4. SolarMax 40mm H-alpha filter with T-Max and 15mm blocking filter | under 1500mm focal length

    $1,299.00
    This 40mm aperture H-alpha filter can be used with virtually any telescope - but is designed to work best with telescopes having a focal length up to 1500mm. The front filter element (containing the ERF and etalon) requires an optional custom mounting plate to attach to your specific telescope. The filter is provided with a 15mm clear aperture blocking filter mounted in a 1.25" right angle star di . . .
  5. Thousand Oaks Full aperture glass filter for Astro-Tech AT90EDT

    $71.50
    This Thouisand Oaks full aperture glass solar filter fits the Astro-Tech AT90EDT apo triplet refractors . . .

    Out of stock

  6. Thousand Oaks 3.25" Solarlite Film Solar Filter

    $59.00

    Thousand Oaks SolarLite Film Solar filters allow you to check out the intricacies of sunspots against a majestic yellow-orange solar tapestry.

  7. Questar 3.5" full aperture solar filter for 3.5" scopes

    $675.00

    This Questar full aperture white light glass solar filter lets you safely observe fine detail on the surface of the Sun - sunspots, granulation, etc. - with any 3.5" Questar telescope or spotting scope.

  8. SolarMax 60mm H-alpha filter with T-Max & 30mm 2" blocking filter | under 3000mm focal length

    $2,499.00
    This 60mm aperture H-alpha filter can be used with virtually any telescope having a 60mm or greater aperture - but is designed to work best with telescopes having a focal length of under 3000mm . . .
  9. Thousand Oaks 2.75" Solarlite Film Solar Filter

    $59.00

    Thousand Oaks SolarLite Film Solar filters allow you to check out the intricacies of sunspots against a majestic yellow-orange solar tapestry.

  10. SolarMax 60mm H-alpha filter with T-Max and 10mm blocking filter | under 1000mm focal length

    $1,399.00
    This 60mm aperture H-alpha filter can be used with virtually any refractor telescope having a 60mm or greater aperture - but is designed to work best with telescopes having a focal length of 1000mm and under . . .
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