4 Item(s)
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  1. 1.25" Color filter set for Questar eyepieces

    $345.00

    This Questar filter set for planetary observing consists of ten 1.25" stackable color filters that are threaded to fit the barrels of Questar Brandon eyepieces only.

  2. Variable polarizer for imaging with 3.5" and 7" Questars

    $495.00
    This Questar variable polarizing assembly allows you to control the effective f/stop of a Questar telescope during terrestrial and lunar prime focus imaging.
  3. Questar solar filter full-aperture upgrade for 3.5" scopes

    $495.00

    This Questar full aperture white light glass solar filter is an upgrade to the off-axis filter supplied with all Questar 3.5" telescopes.

  4. Questar protective flat, screw-on MgF2 coated, for 3.5" Questars

    $495.00

    This Questar full aperture protective clear glass flat offers extra protection to your 3.5" aperture Questar telescope or spotting scope's optics.

4 Item(s)
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