The right telescope
Aperture, resolution and magnification: the vital knowledge you need to successfully choose a telescope.
We will show you the differences between the different design types of telescope, and what that means for you. Too much of a good thing? Get going straight away with 5 questions to consider before buying a telescope, and find out more about the basics later.
One of the most important characteristics of a telescope, and what it means for your view of the stars.
What it means for observations and how to determine the resolution of a telescope with a simple formula.
A telescope should gather light - preferably lots of it. But there is also a downside that we have to live with ...
There are three important magnifications that every amateur astronomer can easily determine. Here we show you how you do this.
What is the connection between the exit pupil and the eye, and why is the age of the observer important?