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  1. 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.

  2. 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.

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