Astronomy & Telescopes

Celestron X-Cel LX 12mm 1.25 inch telescope eyepiece
Eyepieces and Magnification Explained (and Why 600x Is a Lie)
How to calculate telescope magnification, the real max useful power (about 50x per inch), exit pupil, Barlows and which eyepieces to buy, with a table. Read more...
Sky-Watcher Flextube 200P 8 inch collapsible GoTo Dobsonian telescope
How to Collimate a Newtonian or Dobsonian Telescope
Step-by-step Newtonian and Dobsonian collimation: center the secondary, tilt the primary, star test, how often to do it, and whether refractors need it. Read more...
Sky-Watcher Heritage 130 tabletop Dobsonian telescope
Best Beginner Telescopes 2026: What You'll Actually See (and What to Buy)
Why aperture and a steady mount beat magnification, what you'll really see through a 130mm scope, and our beginner picks by budget. Read more...