It seems that you're in Germany. We have a dedicated site for Germany. Many amateur astronomers make their own instruments, either because of financial considerations or because they are just interested. Amateur Telescope Making offers a variety of designs for telescopes, mounts and drives which are suitable for the home-constructor. The designs range from simple to advanced, but all are within the range of a moderately well-equipped home workshop.
The Modern Amateur Astronomer
Patrick Moore - Wikipedia
Springer, With the advent of CCDs and webcams, the focus of amateur astronomy has to some extent shifted from science to art. The object of many amateur astronomers is now to produce stunning images that, although beautiful, are not intended to have scientific merit. Paul Abel has been addressing this issue by promoting visual astronomy wherever possible — at This is a guide for anyone interested in practical astronomy but intimidated by the idea of investing in a telescope. It explores the world of remote observing, which requires nothing more than a laptop and an Internet connection. The book aims to make readers comfortable navigating the plethora of online equipment at their disposal and
Series: Patrick Moore's Practical Astronomy Series
To create a series or add a work to it, go to a "work" page. The "Common Knowledge" section now includes a "Series" field. Enter the name of the series to add the book to it. Works can belong to more than one series. In some cases, as with Chronicles of Narnia , disagreements about order necessitate the creation of more than one series.
From the reviews " Stephen Tonkin has added a worthy contribution to the collective wisdom of amateur astronomy Novices should find much to marvel at, and advanced amateurs will appreciate the useful and timely insights into the current technology of telescopes and sensors…[a] worthy addition to the ever-growing literature of telescopes and telescope making. This book provides an introduction to the design of a variety of telescopes, mounts, and drives suitable for the home-constructor. Projects include instruments that range from a shoestring budget to specialist devices that are not commercially available.