Stefan is a visual observer and lover of Dobsonians. As a physicist, he finds the right answer for every challenge.
Since 1999 Stefan has been working in the astronomy sector as an adviser and expert. Of course, he is very familiar with all areas, but his special hobby-horse is visual observing. A graduate physicist by profession, he has immense background knowledge about astronomy and can also answer tricky questions. On the side, Stefan is a passionate bird and nature watcher (with a love of travel), and has already tried out quite a few binoculars on living objects.
Languages: German, English