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 ...

is a type of optical telescope that uses refracting optics such as lenses to form an image. Catadioptric: A catadioptric telescope is an optical telescope that uses both reflective and refractive ...

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 ...

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 ...