Parallax Instruments

OPT carries a substantial collection of Parallax Instruments, Inc., who specializes in Rotating and Standard Hinged Rings, Large Aperture Newtonian Telescopes, Classical " Dall-Kirkham Cassegrain Telescopes, German Equatorial Mounts, Aluminum Tubing, and Portable  Telescope Piers.
OPT carries a substantial collection of Parallax Instruments, Inc., who specializes in Rotating and Standard Hinged Rings, Large Aperture Newtonian Telescopes, Classical " Dall-Kirkham Cassegrain Telescopes, German Equatorial Mounts, Aluminum Tubing, and Portable  Telescope Piers.