There are refractors, reflectors and catadioptric telescopes. For beginners, refractor telescopes are often a popular choice due to their easy-to-maintain and use style. They're often mounted to ...

The other two options are for a refracting or catadioptric telescope, in either the northern or southern hemisphere. Whichever version of the charts you need, just bring them to the telescope by ...

Catadioptric, or compound, telescopes incorporate a primary mirror coupled with a corrector lens placed at the front of the tube. The primary mirror's curve is ground to a simple shape ...