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Questar Filters For Telescopes

Questar

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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.
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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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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.
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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.