Telescopes gather and focus light using precisely-shaped mirrors and lenses (or a combination of both). The larger the telescope’s main mirror or lens, the more light is gathered and the more detail ...

The article discusses three main telescope types: refractors (best for bright objects, portable), reflectors (best for faint objects, larger apertures), and catadioptrics (compromise between aperture ...

How to choose a telescope for astrophotography The first decision is not which brand to buy, but which optical design fits the way you want to shoot. Refractors, reflectors and Catadioptric systems ...

This review, “Off-axis vision,” appeared in the October 2003 issue of Astronomy magazine. Want to trigger a debate at your next club meeting or star party? Drop this seemingly innocent question on ...

For beginners and young astronomers looking for a telescope that's easy to use, we recommend the Astro Fi 102 Maksutov-Cassegrain and Astro Fi 90 refractor scopes from Celestron. Celestron Astro Fi ...

I hope you are enjoying the change in weather. My December column has occasionally been used to list some things you might want to put on your astronomical observing wish list. This year that wish ...

Refractor to reflector, Schmidt-Cassegrain to Maksutov-Cassegrain - this is everything you need to know about the different types of telescopes. When you purchase through links on our site, we may ...