Telescopes: Guides & Recommendations
Optical Aberrations at the Telescope — And How to Avoid Them
Optical aberrations limit the performance of an eyepiece. Here are seven common problems, with solutions where applicable.
Choosing Your Astronomy Equipment
Common Telescope Magnification Myths
Answers to some of the most common misconceptions about telescope magnification.
Choosing Your Astronomy Equipment
Telescope Eyepiece Guide
A telescope is only as good as its eyepiece — and a good one can make a big difference. Here's a quick look at the different types of eyepieces available.