Used Questar 3.5-inch Maksutov-Cassegrain Telescope
Questar Field Ranger 3.5in Telescope Excellent Condition | eBay
New to this group. Just thought I would share my best flip I ever had about 1 1/2 years ago. Rare Vintage Questar 3.5" Telescope, & Case, manual, 4 lenses, And Tripod Bought for $300 at living Estate Sale Sold for $3000 : r/Flipping
Questar 7" Classic Titanium Maksutov-Cassegrain, Magnesium Fluoride AR and Silver reflecting coatings, quartz mirror | Astronomics.com
Questar Tristand FirstLook | RainyDayMagazine
2015 Questar 3.5" with Broadband Coatings - USED | Telescopes