Choosing Binoculars for Stargazing
In less time than it takes to read them, you can perform these tests and judge the value of any binoculars, new or used.
Caring for Optics
When cleaning lenses and mirrors, the most important rule is the doctor's Hippocratic Oath: "First, do no harm."
Beating the Seeing
"Seeing" the atmospheric quivering that fuzzes out high-power views is the bane of every telescope user. Here's how to minimize its impact.
Dealing With Dew
How to keep your optics dry and clear even on the dampest, dewiest nights.
Four Infamous Telescope Myths
Here are some plausible-sounding "facts" about telescopes that turn out to be less than true.