Telescopes

Telescope collimation is the process of aligning the primary and secondary mirrors in a reflector telescope so that all light…

What Makes a Good Beginner Telescope The best beginner telescope is one you will actually use — which means it…

How Dobsonian Telescopes Work A Dobsonian telescope is a Newtonian reflector mounted on a simple alt-azimuth rocker box, invented by…

Reflector telescopes use mirrors to gather light and cost 3-5x less per inch of aperture than refractor telescopes, which use…

A telescope buying guide in 2026 means choosing between refractors starting at $150, reflectors from $200, and compound telescopes exceeding…