Shop By Category
-
1.25" Color filter set for Questar eyepieces
$345.00This 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.
-
Variable polarizer for imaging with 3.5" and 7" Questars
$495.00This Questar variable polarizing assembly allows you to control the effective f/stop of a Questar telescope during terrestrial and lunar prime focus imaging. -
Zero length adapter for SM60/30 and SM90/30
$39.99The Zero Length Adapter reduces a 2" focuser or star diagonal to hold 1.25" accessories without adding any length to the optical path . . . -
Questar solar filter full-aperture upgrade for 3.5" scopes
$495.00This Questar full aperture white light glass solar filter is an upgrade to the off-axis filter supplied with all Questar 3.5" telescopes.
-
Questar protective flat, screw-on MgF2 coated, for 3.5" Questars
$495.00This Questar full aperture protective clear glass flat offers extra protection to your 3.5" aperture Questar telescope or spotting scope's optics.
-
Research Series 2" RBG+C+L Filters
$749.00This 50mm LRBGC five filter set drops into the filter carousel in an SBIG STL camera for imaging without vignetting even the largest CCD detector in the series . . . -
Tele Vue Adapter to use 48mm filters with TeleVue IS refractors
$36.00This TeleVue adapter lets you use 48mm filters in the optical train when imaging with TeleVue IS refractors . . . -
Lunt 50mm tunable H-alpha filter with 6mm blocking filter for scopes under 600mm focal length
$1,615.00This 50mm clear aperture Lunt H-alpha filter can be used to provide striking views of solar prominences and disk detail with virtually any telescope having a focal length under 600mm . . . -
Lunt 2" polarizing filter
$74.50The 2" Lunt PF-1 polarizing filter is designed for use with 2" eyepieces in the Lunt LS2HW Solar Wedge to control the image brightness during white light visual observing. -
Lunt LS50C Double Stack Etalon for the Lunt LS50THa
$1,010.00Do you want to bring the most out of your Lunt LS50THa Solar Telescope? The addition of the Lunt LS50C might just be the item you are looking for.
