Questar dew cap for 3.5" Duplex (replacement) | Astronomics.com
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