This stereographic reprojection shows the Oktoberfest from the Bavaria statue. The original panorama has been made from inside the head of Bavaria. Bavaria is a hollow bronze statue that can be ascended in the inside. It is located next to the Theresienwiese, where the famous Oktoberfest takes place since more than 200 years. See the original panorama here.
The Novoflex NEX/NIK adapter makes it possible to mount Nikon lenses on the Sony NEX camera line. Read more about the lens here.